221821866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1760491}}^1$

素因数の和:1760506

約数の個数: 24

約数和(自身を含む): 549273504

約数和(自身を除く): 327451638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1760491, 3520982, 5281473, 10562946, 12323437, 15844419, 24646874, 31688838, 36970311, 73940622, 110910933, 221821866]

約数ペア:

[(1, 221821866), (2, 110910933), (3, 73940622), (6, 36970311), (7, 31688838), (9, 24646874), (14, 15844419), (18, 12323437), (21, 10562946), (42, 5281473), (63, 3520982), (126, 1760491)]