21635240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49171}}^1$

素因数の和:49193

約数の個数: 32

約数和(自身を含む): 53105760

約数和(自身を除く): 31470520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49171, 98342, 196684, 245855, 393368, 491710, 540881, 983420, 1081762, 1966840, 2163524, 2704405, 4327048, 5408810, 10817620, 21635240]

約数ペア:

[(1, 21635240), (2, 10817620), (4, 5408810), (5, 4327048), (8, 2704405), (10, 2163524), (11, 1966840), (20, 1081762), (22, 983420), (40, 540881), (44, 491710), (55, 393368), (88, 245855), (110, 196684), (220, 98342), (440, 49171)]