20211453905

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{201119}}^1$

素因数の和:201424

約数の個数: 16

約数和(自身を含む): 24617088000

約数和(自身を除く): 4405634095

約数列:

[1, 5, 101, 199, 505, 995, 20099, 100495, 201119, 1005595, 20313019, 40022681, 101565095, 200113405, 4042290781, 20211453905]

約数ペア:

[(1, 20211453905), (5, 4042290781), (101, 200113405), (199, 101565095), (505, 40022681), (995, 20313019), (20099, 1005595), (100495, 201119)]