21367947

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 29576448

約数和(自身を除く): 8208501

約数列:

[1, 3, 43, 71, 129, 213, 2333, 3053, 6999, 9159, 100319, 165643, 300957, 496929, 7122649, 21367947]

約数ペア:

[(1, 21367947), (3, 7122649), (43, 496929), (71, 300957), (129, 165643), (213, 100319), (2333, 9159), (3053, 6999)]