21152018

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:829

約数の個数: 16

約数和(自身を含む): 32253336

約数和(自身を除く): 11101318

約数列:

[1, 2, 113, 173, 226, 346, 541, 1082, 19549, 39098, 61133, 93593, 122266, 187186, 10576009, 21152018]

約数ペア:

[(1, 21152018), (2, 10576009), (113, 187186), (173, 122266), (226, 93593), (346, 61133), (541, 39098), (1082, 19549)]