21085848

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 72783360

約数和(自身を除く): 51697512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 23, 24, 28, 34, 36, 42, 46, 51, 56, 63, 68, 69, 72, 84, 92, 102, 107, 119, 126, 136, 138, 153, 161, 168, 184, 204, 207, 214, 238, 252, 276, 306, 321, 322, 357, 391, 408, 414, 428, 476, 483, 504, 552, 612, 642, 644, 714, 749, 782, 828, 856, 952, 963, 966, 1071, 1173, 1224, 1284, 1288, 1428, 1449, 1498, 1564, 1656, 1819, 1926, 1932, 2142, 2247, 2346, 2461, 2568, 2737, 2856, 2898, 2996, 3128, 3519, 3638, 3852, 3864, 4284, 4494, 4692, 4922, 5457, 5474, 5796, 5992, 6741, 7038, 7276, 7383, 7704, 8211, 8568, 8988, 9384, 9844, 10914, 10948, 11592, 12733, 13482, 14076, 14552, 14766, 16371, 16422, 17227, 17976, 19688, 21828, 21896, 22149, 24633, 25466, 26964, 28152, 29532, 32742, 32844, 34454, 38199, 41837, 43656, 44298, 49266, 50932, 51681, 53928, 59064, 65484, 65688, 68908, 76398, 83674, 88596, 98532, 101864, 103362, 114597, 125511, 130968, 137816, 152796, 155043, 167348, 177192, 197064, 206724, 229194, 251022, 292859, 305592, 310086, 334696, 376533, 413448, 458388, 502044, 585718, 620172, 753066, 878577, 916776, 1004088, 1171436, 1240344, 1506132, 1757154, 2342872, 2635731, 3012264, 3514308, 5271462, 7028616, 10542924, 21085848]

約数ペア:

[(1, 21085848), (2, 10542924), (3, 7028616), (4, 5271462), (6, 3514308), (7, 3012264), (8, 2635731), (9, 2342872), (12, 1757154), (14, 1506132), (17, 1240344), (18, 1171436), (21, 1004088), (23, 916776), (24, 878577), (28, 753066), (34, 620172), (36, 585718), (42, 502044), (46, 458388), (51, 413448), (56, 376533), (63, 334696), (68, 310086), (69, 305592), (72, 292859), (84, 251022), (92, 229194), (102, 206724), (107, 197064), (119, 177192), (126, 167348), (136, 155043), (138, 152796), (153, 137816), (161, 130968), (168, 125511), (184, 114597), (204, 103362), (207, 101864), (214, 98532), (238, 88596), (252, 83674), (276, 76398), (306, 68908), (321, 65688), (322, 65484), (357, 59064), (391, 53928), (408, 51681), (414, 50932), (428, 49266), (476, 44298), (483, 43656), (504, 41837), (552, 38199), (612, 34454), (642, 32844), (644, 32742), (714, 29532), (749, 28152), (782, 26964), (828, 25466), (856, 24633), (952, 22149), (963, 21896), (966, 21828), (1071, 19688), (1173, 17976), (1224, 17227), (1284, 16422), (1288, 16371), (1428, 14766), (1449, 14552), (1498, 14076), (1564, 13482), (1656, 12733), (1819, 11592), (1926, 10948), (1932, 10914), (2142, 9844), (2247, 9384), (2346, 8988), (2461, 8568), (2568, 8211), (2737, 7704), (2856, 7383), (2898, 7276), (2996, 7038), (3128, 6741), (3519, 5992), (3638, 5796), (3852, 5474), (3864, 5457), (4284, 4922), (4494, 4692)]