21611260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4271}}^1$

素因数の和:4314

約数の個数: 48

約数和(自身を含む): 51674112

約数和(自身を除く): 30062852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 4271, 5060, 8542, 17084, 21355, 42710, 46981, 85420, 93962, 98233, 187924, 196466, 234905, 392932, 469810, 491165, 939620, 982330, 1080563, 1964660, 2161126, 4322252, 5402815, 10805630, 21611260]

約数ペア:

[(1, 21611260), (2, 10805630), (4, 5402815), (5, 4322252), (10, 2161126), (11, 1964660), (20, 1080563), (22, 982330), (23, 939620), (44, 491165), (46, 469810), (55, 392932), (92, 234905), (110, 196466), (115, 187924), (220, 98233), (230, 93962), (253, 85420), (460, 46981), (506, 42710), (1012, 21355), (1265, 17084), (2530, 8542), (4271, 5060)]