21520806

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{188779}}^1$

素因数の和:188803

約数の個数: 16

約数和(自身を含む): 45307200

約数和(自身を除く): 23786394

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 188779, 377558, 566337, 1132674, 3586801, 7173602, 10760403, 21520806]

約数ペア:

[(1, 21520806), (2, 10760403), (3, 7173602), (6, 3586801), (19, 1132674), (38, 566337), (57, 377558), (114, 188779)]