21574960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24517}}^1$

素因数の和:24541

約数の個数: 40

約数和(自身を含む): 54724176

約数和(自身を除く): 33149216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24517, 49034, 98068, 122585, 196136, 245170, 269687, 392272, 490340, 539374, 980680, 1078748, 1348435, 1961360, 2157496, 2696870, 4314992, 5393740, 10787480, 21574960]

約数ペア:

[(1, 21574960), (2, 10787480), (4, 5393740), (5, 4314992), (8, 2696870), (10, 2157496), (11, 1961360), (16, 1348435), (20, 1078748), (22, 980680), (40, 539374), (44, 490340), (55, 392272), (80, 269687), (88, 245170), (110, 196136), (176, 122585), (220, 98068), (440, 49034), (880, 24517)]