21801366812

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{1753}}^1\times {\mathrm{13009}}^1$

素因数の和:15005

約数の個数: 24

約数和(自身を含む): 38336827200

約数和(自身を除く): 16535460388

約数列:

[1, 2, 4, 239, 478, 956, 1753, 3506, 7012, 13009, 26018, 52036, 418967, 837934, 1675868, 3109151, 6218302, 12436604, 22804777, 45609554, 91219108, 5450341703, 10900683406, 21801366812]

約数ペア:

[(1, 21801366812), (2, 10900683406), (4, 5450341703), (239, 91219108), (478, 45609554), (956, 22804777), (1753, 12436604), (3506, 6218302), (7012, 3109151), (13009, 1675868), (26018, 837934), (52036, 418967)]