21089235

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48481}}^1$

素因数の和:48518

約数の個数: 16

約数和(自身を含む): 34907040

約数和(自身を除く): 13817805

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 48481, 145443, 242405, 727215, 1405949, 4217847, 7029745, 21089235]

約数ペア:

[(1, 21089235), (3, 7029745), (5, 4217847), (15, 1405949), (29, 727215), (87, 242405), (145, 145443), (435, 48481)]