20212821045

素因数分解:

$3^2\times 5^1\times {\mathrm{449173801}}^1$

素因数の和:449173812

約数の個数: 12

約数和(自身を含む): 35035556556

約数和(自身を除く): 14822735511

約数列:

[1, 3, 5, 9, 15, 45, 449173801, 1347521403, 2245869005, 4042564209, 6737607015, 20212821045]

約数ペア:

[(1, 20212821045), (3, 6737607015), (5, 4042564209), (9, 2245869005), (15, 1347521403), (45, 449173801)]