21103059

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 28739232

約数和(自身を除く): 7636173

約数列:

[1, 3, 73, 173, 219, 519, 557, 1671, 12629, 37887, 40661, 96361, 121983, 289083, 7034353, 21103059]

約数ペア:

[(1, 21103059), (3, 7034353), (73, 289083), (173, 121983), (219, 96361), (519, 40661), (557, 37887), (1671, 12629)]