21100530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1551

約数の個数: 64

約数和(自身を含む): 56567808

約数和(自身を除く): 35467278

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 1487, 2365, 2838, 2974, 4461, 4730, 7095, 7435, 8922, 14190, 14870, 16357, 22305, 32714, 44610, 49071, 63941, 81785, 98142, 127882, 163570, 191823, 245355, 319705, 383646, 490710, 639410, 703351, 959115, 1406702, 1918230, 2110053, 3516755, 4220106, 7033510, 10550265, 21100530]

約数ペア:

[(1, 21100530), (2, 10550265), (3, 7033510), (5, 4220106), (6, 3516755), (10, 2110053), (11, 1918230), (15, 1406702), (22, 959115), (30, 703351), (33, 639410), (43, 490710), (55, 383646), (66, 319705), (86, 245355), (110, 191823), (129, 163570), (165, 127882), (215, 98142), (258, 81785), (330, 63941), (430, 49071), (473, 44610), (645, 32714), (946, 22305), (1290, 16357), (1419, 14870), (1487, 14190), (2365, 8922), (2838, 7435), (2974, 7095), (4461, 4730)]