21459363

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 29225856

約数和(自身を除く): 7766493

約数列:

[1, 3, 67, 201, 241, 443, 723, 1329, 16147, 29681, 48441, 89043, 106763, 320289, 7153121, 21459363]

約数ペア:

[(1, 21459363), (3, 7153121), (67, 320289), (201, 106763), (241, 89043), (443, 48441), (723, 29681), (1329, 16147)]