21227735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{937}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 26744256

約数和(自身を除く): 5516521

約数列:

[1, 5, 23, 115, 197, 937, 985, 4531, 4685, 21551, 22655, 107755, 184589, 922945, 4245547, 21227735]

約数ペア:

[(1, 21227735), (5, 4245547), (23, 922945), (115, 184589), (197, 107755), (937, 22655), (985, 21551), (4531, 4685)]