21891144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 60367680

約数和(自身を除く): 38476536

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 101, 132, 202, 264, 303, 404, 606, 808, 821, 1111, 1212, 1642, 2222, 2424, 2463, 3284, 3333, 4444, 4926, 6568, 6666, 8888, 9031, 9852, 13332, 18062, 19704, 26664, 27093, 36124, 54186, 72248, 82921, 108372, 165842, 216744, 248763, 331684, 497526, 663368, 912131, 995052, 1824262, 1990104, 2736393, 3648524, 5472786, 7297048, 10945572, 21891144]

約数ペア:

[(1, 21891144), (2, 10945572), (3, 7297048), (4, 5472786), (6, 3648524), (8, 2736393), (11, 1990104), (12, 1824262), (22, 995052), (24, 912131), (33, 663368), (44, 497526), (66, 331684), (88, 248763), (101, 216744), (132, 165842), (202, 108372), (264, 82921), (303, 72248), (404, 54186), (606, 36124), (808, 27093), (821, 26664), (1111, 19704), (1212, 18062), (1642, 13332), (2222, 9852), (2424, 9031), (2463, 8888), (3284, 6666), (3333, 6568), (4444, 4926)]