21088540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95857}}^1$

素因数の和:95877

約数の個数: 24

約数和(自身を含む): 48312432

約数和(自身を除く): 27223892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95857, 191714, 383428, 479285, 958570, 1054427, 1917140, 2108854, 4217708, 5272135, 10544270, 21088540]

約数ペア:

[(1, 21088540), (2, 10544270), (4, 5272135), (5, 4217708), (10, 2108854), (11, 1917140), (20, 1054427), (22, 958570), (44, 479285), (55, 383428), (110, 191714), (220, 95857)]