21108670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1511}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 20695106

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1511, 2794, 3022, 6985, 7555, 13970, 15110, 16621, 33242, 83105, 166210, 191897, 383794, 959485, 1918970, 2110867, 4221734, 10554335, 21108670]

約数ペア:

[(1, 21108670), (2, 10554335), (5, 4221734), (10, 2110867), (11, 1918970), (22, 959485), (55, 383794), (110, 191897), (127, 166210), (254, 83105), (635, 33242), (1270, 16621), (1397, 15110), (1511, 13970), (2794, 7555), (3022, 6985)]