21190328

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33529}}^1$

素因数の和:33614

約数の個数: 16

約数和(自身を含む): 40236000

約数和(自身を除く): 19045672

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33529, 67058, 134116, 268232, 2648791, 5297582, 10595164, 21190328]

約数ペア:

[(1, 21190328), (2, 10595164), (4, 5297582), (8, 2648791), (79, 268232), (158, 134116), (316, 67058), (632, 33529)]