21048236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6553}}^1$

素因数の和:6641

約数の個数: 24

約数和(自身を含む): 40739664

約数和(自身を除く): 19691428

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6553, 13106, 26212, 72083, 144166, 288332, 478369, 956738, 1913476, 5262059, 10524118, 21048236]

約数ペア:

[(1, 21048236), (2, 10524118), (4, 5262059), (11, 1913476), (22, 956738), (44, 478369), (73, 288332), (146, 144166), (292, 72083), (803, 26212), (1606, 13106), (3212, 6553)]