21163431

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 28717056

約数和(自身を除く): 7553625

約数列:

[1, 3, 113, 163, 339, 383, 489, 1149, 18419, 43279, 55257, 62429, 129837, 187287, 7054477, 21163431]

約数ペア:

[(1, 21163431), (3, 7054477), (113, 187287), (163, 129837), (339, 62429), (383, 55257), (489, 43279), (1149, 18419)]