21602456

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{12109}}^1$

素因数の和:12338

約数の個数: 16

約数和(自身を含む): 40689600

約数和(自身を除く): 19087144

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 12109, 24218, 48436, 96872, 2700307, 5400614, 10801228, 21602456]

約数ペア:

[(1, 21602456), (2, 10801228), (4, 5400614), (8, 2700307), (223, 96872), (446, 48436), (892, 24218), (1784, 12109)]