21739740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32939}}^1$

素因数の和:32962

約数の個数: 48

約数和(自身を含む): 66407040

約数和(自身を除く): 44667300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32939, 65878, 98817, 131756, 164695, 197634, 329390, 362329, 395268, 494085, 658780, 724658, 988170, 1086987, 1449316, 1811645, 1976340, 2173974, 3623290, 4347948, 5434935, 7246580, 10869870, 21739740]

約数ペア:

[(1, 21739740), (2, 10869870), (3, 7246580), (4, 5434935), (5, 4347948), (6, 3623290), (10, 2173974), (11, 1976340), (12, 1811645), (15, 1449316), (20, 1086987), (22, 988170), (30, 724658), (33, 658780), (44, 494085), (55, 395268), (60, 362329), (66, 329390), (110, 197634), (132, 164695), (165, 131756), (220, 98817), (330, 65878), (660, 32939)]