21922840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18899}}^1$

素因数の和:18939

約数の個数: 32

約数和(自身を含む): 51030000

約数和(自身を除く): 29107160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18899, 37798, 75596, 94495, 151192, 188990, 377980, 548071, 755960, 1096142, 2192284, 2740355, 4384568, 5480710, 10961420, 21922840]

約数ペア:

[(1, 21922840), (2, 10961420), (4, 5480710), (5, 4384568), (8, 2740355), (10, 2192284), (20, 1096142), (29, 755960), (40, 548071), (58, 377980), (116, 188990), (145, 151192), (232, 94495), (290, 75596), (580, 37798), (1160, 18899)]