21274060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34313}}^1$

素因数の和:34353

約数の個数: 24

約数和(自身を含む): 46118016

約数和(自身を除く): 24843956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 34313, 68626, 137252, 171565, 343130, 686260, 1063703, 2127406, 4254812, 5318515, 10637030, 21274060]

約数ペア:

[(1, 21274060), (2, 10637030), (4, 5318515), (5, 4254812), (10, 2127406), (20, 1063703), (31, 686260), (62, 343130), (124, 171565), (155, 137252), (310, 68626), (620, 34313)]