21610930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 21063758

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 881, 1115, 1762, 2230, 2453, 4405, 4906, 8810, 9691, 12265, 19382, 24530, 48455, 96910, 196463, 392926, 982315, 1964630, 2161093, 4322186, 10805465, 21610930]

約数ペア:

[(1, 21610930), (2, 10805465), (5, 4322186), (10, 2161093), (11, 1964630), (22, 982315), (55, 392926), (110, 196463), (223, 96910), (446, 48455), (881, 24530), (1115, 19382), (1762, 12265), (2230, 9691), (2453, 8810), (4405, 4906)]