21450609

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{2213}}^1$

素因数の和:2581

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 10430991

約数列:

[1, 3, 9, 27, 359, 1077, 2213, 3231, 6639, 9693, 19917, 59751, 794467, 2383401, 7150203, 21450609]

約数ペア:

[(1, 21450609), (3, 7150203), (9, 2383401), (27, 794467), (359, 59751), (1077, 19917), (2213, 9693), (3231, 6639)]