21048038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6421}}^1$

素因数の和:6583

約数の個数: 16

約数和(自身を含む): 34678800

約数和(自身を除く): 13630762

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6421, 12842, 70631, 141262, 956729, 1913458, 10524019, 21048038]

約数ペア:

[(1, 21048038), (2, 10524019), (11, 1913458), (22, 956729), (149, 141262), (298, 70631), (1639, 12842), (3278, 6421)]