21931016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 43608000

約数和(自身を除く): 21676984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 919, 1256, 1838, 2983, 3676, 5966, 7352, 11932, 17461, 23864, 34922, 69844, 139688, 144283, 288566, 577132, 1154264, 2741377, 5482754, 10965508, 21931016]

約数ペア:

[(1, 21931016), (2, 10965508), (4, 5482754), (8, 2741377), (19, 1154264), (38, 577132), (76, 288566), (152, 144283), (157, 139688), (314, 69844), (628, 34922), (919, 23864), (1256, 17461), (1838, 11932), (2983, 7352), (3676, 5966)]