21431726823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5041573}}^1$

素因数の和:5041698

約数の個数: 16

約数和(自身を含む): 31056095840

約数和(自身を除く): 9624369017

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 5041573, 15124719, 65540449, 196621347, 549531457, 1648594371, 7143908941, 21431726823]

約数ペア:

[(1, 21431726823), (3, 7143908941), (13, 1648594371), (39, 549531457), (109, 196621347), (327, 65540449), (1417, 15124719), (4251, 5041573)]