21573604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3167}}^1$

素因数の和:3315

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 19407644

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3167, 3406, 6334, 6812, 12668, 41171, 82342, 164684, 414877, 829754, 1659508, 5393401, 10786802, 21573604]

約数ペア:

[(1, 21573604), (2, 10786802), (4, 5393401), (13, 1659508), (26, 829754), (52, 414877), (131, 164684), (262, 82342), (524, 41171), (1703, 12668), (3167, 6812), (3406, 6334)]