21939567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1567}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 31610880

約数和(自身を除く): 9671313

約数列:

[1, 3, 13, 39, 359, 1077, 1567, 4667, 4701, 14001, 20371, 61113, 562553, 1687659, 7313189, 21939567]

約数ペア:

[(1, 21939567), (3, 7313189), (13, 1687659), (39, 562553), (359, 61113), (1077, 20371), (1567, 14001), (4667, 4701)]