21161499

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1637}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 29352960

約数和(自身を除く): 8191461

約数列:

[1, 3, 31, 93, 139, 417, 1637, 4309, 4911, 12927, 50747, 152241, 227543, 682629, 7053833, 21161499]

約数ペア:

[(1, 21161499), (3, 7053833), (31, 682629), (93, 227543), (139, 152241), (417, 50747), (1637, 12927), (4309, 4911)]