21021624

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 63073920

約数和(自身を除く): 42052296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 222, 234, 296, 312, 333, 444, 468, 481, 607, 666, 888, 936, 962, 1214, 1332, 1443, 1821, 1924, 2428, 2664, 2886, 3642, 3848, 4329, 4856, 5463, 5772, 7284, 7891, 8658, 10926, 11544, 14568, 15782, 17316, 21852, 22459, 23673, 31564, 34632, 43704, 44918, 47346, 63128, 67377, 71019, 89836, 94692, 134754, 142038, 179672, 189384, 202131, 269508, 284076, 291967, 404262, 539016, 568152, 583934, 808524, 875901, 1167868, 1617048, 1751802, 2335736, 2627703, 3503604, 5255406, 7007208, 10510812, 21021624]

約数ペア:

[(1, 21021624), (2, 10510812), (3, 7007208), (4, 5255406), (6, 3503604), (8, 2627703), (9, 2335736), (12, 1751802), (13, 1617048), (18, 1167868), (24, 875901), (26, 808524), (36, 583934), (37, 568152), (39, 539016), (52, 404262), (72, 291967), (74, 284076), (78, 269508), (104, 202131), (111, 189384), (117, 179672), (148, 142038), (156, 134754), (222, 94692), (234, 89836), (296, 71019), (312, 67377), (333, 63128), (444, 47346), (468, 44918), (481, 43704), (607, 34632), (666, 31564), (888, 23673), (936, 22459), (962, 21852), (1214, 17316), (1332, 15782), (1443, 14568), (1821, 11544), (1924, 10926), (2428, 8658), (2664, 7891), (2886, 7284), (3642, 5772), (3848, 5463), (4329, 4856)]