21547497

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 29278080

約数和(自身を除く): 7730583

約数列:

[1, 3, 103, 137, 309, 411, 509, 1527, 14111, 42333, 52427, 69733, 157281, 209199, 7182499, 21547497]

約数ペア:

[(1, 21547497), (3, 7182499), (103, 209199), (137, 157281), (309, 69733), (411, 52427), (509, 42333), (1527, 14111)]