21546260

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4831}}^1$

素因数の和:5063

約数の個数: 24

約数和(自身を含む): 45459456

約数和(自身を除く): 23913196

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 4831, 9662, 19324, 24155, 48310, 96620, 1077313, 2154626, 4309252, 5386565, 10773130, 21546260]

約数ペア:

[(1, 21546260), (2, 10773130), (4, 5386565), (5, 4309252), (10, 2154626), (20, 1077313), (223, 96620), (446, 48310), (892, 24155), (1115, 19324), (2230, 9662), (4460, 4831)]