21675999

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1487}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 29855232

約数和(自身を除く): 8179233

約数列:

[1, 3, 43, 113, 129, 339, 1487, 4461, 4859, 14577, 63941, 168031, 191823, 504093, 7225333, 21675999]

約数ペア:

[(1, 21675999), (3, 7225333), (43, 504093), (113, 191823), (129, 168031), (339, 63941), (1487, 14577), (4461, 4859)]