21038694

素因数分解:

$2^1\times 3^1\times {\mathrm{997}}^1\times {\mathrm{3517}}^1$

素因数の和:4519

約数の個数: 16

約数和(自身を含む): 42131568

約数和(自身を除く): 21092874

約数列:

[1, 2, 3, 6, 997, 1994, 2991, 3517, 5982, 7034, 10551, 21102, 3506449, 7012898, 10519347, 21038694]

約数ペア:

[(1, 21038694), (2, 10519347), (3, 7012898), (6, 3506449), (997, 21102), (1994, 10551), (2991, 7034), (3517, 5982)]