21777357

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61001}}^1$

素因数の和:61028

約数の個数: 16

約数和(自身を含む): 35137152

約数和(自身を除く): 13359795

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 61001, 183003, 427007, 1037017, 1281021, 3111051, 7259119, 21777357]

約数ペア:

[(1, 21777357), (3, 7259119), (7, 3111051), (17, 1281021), (21, 1037017), (51, 427007), (119, 183003), (357, 61001)]