21350668

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 38518704

約数和(自身を除く): 17168036

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 617, 844, 1234, 2468, 8651, 17302, 25297, 34604, 50594, 101188, 130187, 260374, 520748, 5337667, 10675334, 21350668]

約数ペア:

[(1, 21350668), (2, 10675334), (4, 5337667), (41, 520748), (82, 260374), (164, 130187), (211, 101188), (422, 50594), (617, 34604), (844, 25297), (1234, 17302), (2468, 8651)]