21547838

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1723}}^1$

素因数の和:1788

約数の個数: 24

約数和(自身を含む): 35966088

約数和(自身を除く): 14418250

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 962, 1723, 3446, 6253, 12506, 22399, 44798, 63751, 127502, 291187, 582374, 828763, 1657526, 10773919, 21547838]

約数ペア:

[(1, 21547838), (2, 10773919), (13, 1657526), (26, 828763), (37, 582374), (74, 291187), (169, 127502), (338, 63751), (481, 44798), (962, 22399), (1723, 12506), (3446, 6253)]