21840344

素因数分解:

$2^3\times {\mathrm{719}}^1\times {\mathrm{3797}}^1$

素因数の和:4522

約数の個数: 16

約数和(自身を含む): 41018400

約数和(自身を除く): 19178056

約数列:

[1, 2, 4, 8, 719, 1438, 2876, 3797, 5752, 7594, 15188, 30376, 2730043, 5460086, 10920172, 21840344]

約数ペア:

[(1, 21840344), (2, 10920172), (4, 5460086), (8, 2730043), (719, 30376), (1438, 15188), (2876, 7594), (3797, 5752)]