21032540984

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 256

約数和(自身を含む): 52022476800

約数和(自身を除く): 30989935816

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 47, 52, 56, 62, 79, 91, 94, 104, 124, 158, 182, 188, 217, 248, 251, 316, 329, 364, 376, 403, 434, 502, 553, 611, 632, 658, 728, 806, 868, 1004, 1027, 1106, 1222, 1316, 1457, 1612, 1736, 1757, 2008, 2054, 2212, 2444, 2449, 2632, 2821, 2914, 3224, 3263, 3514, 3713, 4108, 4277, 4424, 4888, 4898, 5642, 5828, 6526, 7028, 7189, 7426, 7781, 8216, 8554, 9796, 10199, 11284, 11656, 11797, 13052, 14056, 14378, 14852, 15562, 17108, 17143, 18941, 19592, 19829, 20398, 22568, 22841, 23594, 25991, 26104, 28756, 29704, 31124, 31837, 34216, 34286, 37882, 39658, 40796, 45682, 47188, 48269, 51982, 54467, 57512, 62248, 63674, 68572, 75764, 79316, 81592, 82579, 91364, 94376, 96538, 101153, 103964, 108934, 115103, 127348, 132587, 137144, 138803, 151528, 153361, 158632, 165158, 182728, 193076, 202306, 207928, 217868, 222859, 230206, 254696, 257777, 265174, 277606, 306722, 330316, 337883, 365707, 386152, 404612, 435736, 445718, 460412, 515554, 530348, 555212, 613444, 614699, 660632, 675766, 708071, 731414, 805721, 809224, 891436, 920824, 931963, 1031108, 1060696, 1073527, 1110424, 1226888, 1229398, 1351532, 1416142, 1462828, 1496339, 1611442, 1782872, 1804439, 1863926, 2062216, 2147054, 2458796, 2559949, 2703064, 2832284, 2925656, 2992678, 3222884, 3608878, 3727852, 4294108, 4302893, 4754191, 4917592, 5119898, 5664568, 5985356, 6445768, 6523741, 7217756, 7455704, 7991087, 8588216, 8605786, 9508382, 10239796, 10474373, 11970712, 12115519, 13047482, 14435512, 15982174, 17211572, 19016764, 20479592, 20948746, 24231038, 26094964, 28890853, 31964348, 33279337, 34423144, 38033528, 41897492, 48462076, 52189928, 55937609, 57781706, 63928696, 66558674, 83794984, 84808633, 96924152, 111875218, 115563412, 133117348, 169617266, 202235971, 223750436, 231126824, 266234696, 339234532, 375581089, 404471942, 447500872, 678469064, 751162178, 808943884, 1502324356, 1617887768, 2629067623, 3004648712, 5258135246, 10516270492, 21032540984]

約数ペア:

[(1, 21032540984), (2, 10516270492), (4, 5258135246), (7, 3004648712), (8, 2629067623), (13, 1617887768), (14, 1502324356), (26, 808943884), (28, 751162178), (31, 678469064), (47, 447500872), (52, 404471942), (56, 375581089), (62, 339234532), (79, 266234696), (91, 231126824), (94, 223750436), (104, 202235971), (124, 169617266), (158, 133117348), (182, 115563412), (188, 111875218), (217, 96924152), (248, 84808633), (251, 83794984), (316, 66558674), (329, 63928696), (364, 57781706), (376, 55937609), (403, 52189928), (434, 48462076), (502, 41897492), (553, 38033528), (611, 34423144), (632, 33279337), (658, 31964348), (728, 28890853), (806, 26094964), (868, 24231038), (1004, 20948746), (1027, 20479592), (1106, 19016764), (1222, 17211572), (1316, 15982174), (1457, 14435512), (1612, 13047482), (1736, 12115519), (1757, 11970712), (2008, 10474373), (2054, 10239796), (2212, 9508382), (2444, 8605786), (2449, 8588216), (2632, 7991087), (2821, 7455704), (2914, 7217756), (3224, 6523741), (3263, 6445768), (3514, 5985356), (3713, 5664568), (4108, 5119898), (4277, 4917592), (4424, 4754191), (4888, 4302893), (4898, 4294108), (5642, 3727852), (5828, 3608878), (6526, 3222884), (7028, 2992678), (7189, 2925656), (7426, 2832284), (7781, 2703064), (8216, 2559949), (8554, 2458796), (9796, 2147054), (10199, 2062216), (11284, 1863926), (11656, 1804439), (11797, 1782872), (13052, 1611442), (14056, 1496339), (14378, 1462828), (14852, 1416142), (15562, 1351532), (17108, 1229398), (17143, 1226888), (18941, 1110424), (19592, 1073527), (19829, 1060696), (20398, 1031108), (22568, 931963), (22841, 920824), (23594, 891436), (25991, 809224), (26104, 805721), (28756, 731414), (29704, 708071), (31124, 675766), (31837, 660632), (34216, 614699), (34286, 613444), (37882, 555212), (39658, 530348), (40796, 515554), (45682, 460412), (47188, 445718), (48269, 435736), (51982, 404612), (54467, 386152), (57512, 365707), (62248, 337883), (63674, 330316), (68572, 306722), (75764, 277606), (79316, 265174), (81592, 257777), (82579, 254696), (91364, 230206), (94376, 222859), (96538, 217868), (101153, 207928), (103964, 202306), (108934, 193076), (115103, 182728), (127348, 165158), (132587, 158632), (137144, 153361), (138803, 151528)]