21275592

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 62563200

約数和(自身を除く): 41287608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 37, 38, 39, 52, 57, 74, 76, 78, 97, 104, 111, 114, 148, 152, 156, 194, 222, 228, 247, 291, 296, 312, 388, 444, 456, 481, 494, 582, 703, 741, 776, 888, 962, 988, 1164, 1261, 1406, 1443, 1482, 1843, 1924, 1976, 2109, 2328, 2522, 2812, 2886, 2964, 3589, 3686, 3783, 3848, 4218, 5044, 5529, 5624, 5772, 5928, 7178, 7372, 7566, 8436, 9139, 10088, 10767, 11058, 11544, 14356, 14744, 15132, 16872, 18278, 21534, 22116, 23959, 27417, 28712, 30264, 36556, 43068, 44232, 46657, 47918, 54834, 68191, 71877, 73112, 86136, 93314, 95836, 109668, 136382, 139971, 143754, 186628, 191672, 204573, 219336, 272764, 279942, 287508, 373256, 409146, 545528, 559884, 575016, 818292, 886483, 1119768, 1636584, 1772966, 2659449, 3545932, 5318898, 7091864, 10637796, 21275592]

約数ペア:

[(1, 21275592), (2, 10637796), (3, 7091864), (4, 5318898), (6, 3545932), (8, 2659449), (12, 1772966), (13, 1636584), (19, 1119768), (24, 886483), (26, 818292), (37, 575016), (38, 559884), (39, 545528), (52, 409146), (57, 373256), (74, 287508), (76, 279942), (78, 272764), (97, 219336), (104, 204573), (111, 191672), (114, 186628), (148, 143754), (152, 139971), (156, 136382), (194, 109668), (222, 95836), (228, 93314), (247, 86136), (291, 73112), (296, 71877), (312, 68191), (388, 54834), (444, 47918), (456, 46657), (481, 44232), (494, 43068), (582, 36556), (703, 30264), (741, 28712), (776, 27417), (888, 23959), (962, 22116), (988, 21534), (1164, 18278), (1261, 16872), (1406, 15132), (1443, 14744), (1482, 14356), (1843, 11544), (1924, 11058), (1976, 10767), (2109, 10088), (2328, 9139), (2522, 8436), (2812, 7566), (2886, 7372), (2964, 7178), (3589, 5928), (3686, 5772), (3783, 5624), (3848, 5529), (4218, 5044)]