21140764

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 38476368

約数和(自身を除く): 17335604

約数列:

[1, 2, 4, 37, 74, 83, 148, 166, 332, 1721, 3071, 3442, 6142, 6884, 12284, 63677, 127354, 142843, 254708, 285686, 571372, 5285191, 10570382, 21140764]

約数ペア:

[(1, 21140764), (2, 10570382), (4, 5285191), (37, 571372), (74, 285686), (83, 254708), (148, 142843), (166, 127354), (332, 63677), (1721, 12284), (3071, 6884), (3442, 6142)]