21048535

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 5182505

約数列:

[1, 5, 31, 155, 229, 593, 1145, 2965, 7099, 18383, 35495, 91915, 135797, 678985, 4209707, 21048535]

約数ペア:

[(1, 21048535), (5, 4209707), (31, 678985), (155, 135797), (229, 91915), (593, 35495), (1145, 18383), (2965, 7099)]