21000837806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2339}}^1\times {\mathrm{345329}}^1$

素因数の和:347683

約数の個数: 16

約数和(自身を含む): 33939032400

約数和(自身を除く): 12938194594

約数列:

[1, 2, 13, 26, 2339, 4678, 30407, 60814, 345329, 690658, 4489277, 8978554, 807724531, 1615449062, 10500418903, 21000837806]

約数ペア:

[(1, 21000837806), (2, 10500418903), (13, 1615449062), (26, 807724531), (2339, 8978554), (4678, 4489277), (30407, 690658), (60814, 345329)]