21288524

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1553}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 39160800

約数和(自身を除く): 17872276

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1553, 3106, 3427, 6212, 6854, 13708, 35719, 71438, 142876, 231397, 462794, 925588, 5322131, 10644262, 21288524]

約数ペア:

[(1, 21288524), (2, 10644262), (4, 5322131), (23, 925588), (46, 462794), (92, 231397), (149, 142876), (298, 71438), (596, 35719), (1553, 13708), (3106, 6854), (3427, 6212)]