21207153

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2389}}^1$

素因数の和:2672

約数の個数: 16

約数和(自身を含む): 30974400

約数和(自身を除く): 9767247

約数列:

[1, 3, 11, 33, 269, 807, 2389, 2959, 7167, 8877, 26279, 78837, 642641, 1927923, 7069051, 21207153]

約数ペア:

[(1, 21207153), (3, 7069051), (11, 1927923), (33, 642641), (269, 78837), (807, 26279), (2389, 8877), (2959, 7167)]