21518042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 18543910

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 863, 959, 1726, 1781, 1918, 3562, 6041, 11219, 12082, 12467, 22438, 24934, 78533, 118231, 157066, 236462, 827617, 1537003, 1655234, 3074006, 10759021, 21518042]

約数ペア:

[(1, 21518042), (2, 10759021), (7, 3074006), (13, 1655234), (14, 1537003), (26, 827617), (91, 236462), (137, 157066), (182, 118231), (274, 78533), (863, 24934), (959, 22438), (1726, 12467), (1781, 12082), (1918, 11219), (3562, 6041)]