21147456

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 224

約数和(自身を含む): 70225920

約数和(自身を除く): 49078464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 19, 22, 24, 31, 32, 33, 34, 38, 44, 48, 51, 57, 62, 64, 66, 68, 76, 88, 93, 96, 102, 114, 124, 132, 136, 152, 176, 186, 187, 192, 204, 209, 228, 248, 264, 272, 304, 323, 341, 352, 372, 374, 408, 418, 456, 496, 527, 528, 544, 561, 589, 608, 627, 646, 682, 704, 744, 748, 816, 836, 912, 969, 992, 1023, 1054, 1056, 1088, 1122, 1178, 1216, 1254, 1292, 1364, 1488, 1496, 1581, 1632, 1672, 1767, 1824, 1938, 1984, 2046, 2108, 2112, 2244, 2356, 2508, 2584, 2728, 2976, 2992, 3162, 3264, 3344, 3534, 3553, 3648, 3876, 4092, 4216, 4488, 4712, 5016, 5168, 5456, 5797, 5952, 5984, 6324, 6479, 6688, 7068, 7106, 7752, 8184, 8432, 8976, 9424, 10013, 10032, 10336, 10659, 10912, 11594, 11968, 12648, 12958, 13376, 14136, 14212, 15504, 16368, 16864, 17391, 17952, 18848, 19437, 20026, 20064, 20672, 21318, 21824, 23188, 25296, 25916, 28272, 28424, 30039, 31008, 32736, 33728, 34782, 35904, 37696, 38874, 40052, 40128, 42636, 46376, 50592, 51832, 56544, 56848, 60078, 62016, 65472, 69564, 77748, 80104, 85272, 92752, 101184, 103664, 110143, 113088, 113696, 120156, 139128, 155496, 160208, 170544, 185504, 207328, 220286, 227392, 240312, 278256, 310992, 320416, 330429, 341088, 371008, 414656, 440572, 480624, 556512, 621984, 640832, 660858, 682176, 881144, 961248, 1113024, 1243968, 1321716, 1762288, 1922496, 2643432, 3524576, 5286864, 7049152, 10573728, 21147456]

約数ペア:

[(1, 21147456), (2, 10573728), (3, 7049152), (4, 5286864), (6, 3524576), (8, 2643432), (11, 1922496), (12, 1762288), (16, 1321716), (17, 1243968), (19, 1113024), (22, 961248), (24, 881144), (31, 682176), (32, 660858), (33, 640832), (34, 621984), (38, 556512), (44, 480624), (48, 440572), (51, 414656), (57, 371008), (62, 341088), (64, 330429), (66, 320416), (68, 310992), (76, 278256), (88, 240312), (93, 227392), (96, 220286), (102, 207328), (114, 185504), (124, 170544), (132, 160208), (136, 155496), (152, 139128), (176, 120156), (186, 113696), (187, 113088), (192, 110143), (204, 103664), (209, 101184), (228, 92752), (248, 85272), (264, 80104), (272, 77748), (304, 69564), (323, 65472), (341, 62016), (352, 60078), (372, 56848), (374, 56544), (408, 51832), (418, 50592), (456, 46376), (496, 42636), (527, 40128), (528, 40052), (544, 38874), (561, 37696), (589, 35904), (608, 34782), (627, 33728), (646, 32736), (682, 31008), (704, 30039), (744, 28424), (748, 28272), (816, 25916), (836, 25296), (912, 23188), (969, 21824), (992, 21318), (1023, 20672), (1054, 20064), (1056, 20026), (1088, 19437), (1122, 18848), (1178, 17952), (1216, 17391), (1254, 16864), (1292, 16368), (1364, 15504), (1488, 14212), (1496, 14136), (1581, 13376), (1632, 12958), (1672, 12648), (1767, 11968), (1824, 11594), (1938, 10912), (1984, 10659), (2046, 10336), (2108, 10032), (2112, 10013), (2244, 9424), (2356, 8976), (2508, 8432), (2584, 8184), (2728, 7752), (2976, 7106), (2992, 7068), (3162, 6688), (3264, 6479), (3344, 6324), (3534, 5984), (3553, 5952), (3648, 5797), (3876, 5456), (4092, 5168), (4216, 5016), (4488, 4712)]