21284637

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 12169443

約数列:

[1, 3, 11, 23, 29, 33, 69, 87, 253, 319, 667, 759, 957, 967, 2001, 2901, 7337, 10637, 22011, 22241, 28043, 31911, 66723, 84129, 244651, 308473, 644989, 733953, 925419, 1934967, 7094879, 21284637]

約数ペア:

[(1, 21284637), (3, 7094879), (11, 1934967), (23, 925419), (29, 733953), (33, 644989), (69, 308473), (87, 244651), (253, 84129), (319, 66723), (667, 31911), (759, 28043), (957, 22241), (967, 22011), (2001, 10637), (2901, 7337)]