21568632

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 56142720

約数和(自身を除く): 34574088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 107, 111, 148, 214, 222, 227, 296, 321, 428, 444, 454, 642, 681, 856, 888, 908, 1284, 1362, 1816, 2568, 2724, 3959, 5448, 7918, 8399, 11877, 15836, 16798, 23754, 24289, 25197, 31672, 33596, 47508, 48578, 50394, 67192, 72867, 95016, 97156, 100788, 145734, 194312, 201576, 291468, 582936, 898693, 1797386, 2696079, 3594772, 5392158, 7189544, 10784316, 21568632]

約数ペア:

[(1, 21568632), (2, 10784316), (3, 7189544), (4, 5392158), (6, 3594772), (8, 2696079), (12, 1797386), (24, 898693), (37, 582936), (74, 291468), (107, 201576), (111, 194312), (148, 145734), (214, 100788), (222, 97156), (227, 95016), (296, 72867), (321, 67192), (428, 50394), (444, 48578), (454, 47508), (642, 33596), (681, 31672), (856, 25197), (888, 24289), (908, 23754), (1284, 16798), (1362, 15836), (1816, 11877), (2568, 8399), (2724, 7918), (3959, 5448)]