21483640

素因数分解:

$2^3\times 5^1\times {\mathrm{537091}}^1$

素因数の和:537102

約数の個数: 16

約数和(自身を含む): 48338280

約数和(自身を除く): 26854640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 537091, 1074182, 2148364, 2685455, 4296728, 5370910, 10741820, 21483640]

約数ペア:

[(1, 21483640), (2, 10741820), (4, 5370910), (5, 4296728), (8, 2685455), (10, 2148364), (20, 1074182), (40, 537091)]