21714885

素因数分解:

$3^4\times 5^1\times {\mathrm{53617}}^1$

素因数の和:53634

約数の個数: 20

約数和(自身を含む): 38926668

約数和(自身を除く): 17211783

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 53617, 160851, 268085, 482553, 804255, 1447659, 2412765, 4342977, 7238295, 21714885]

約数ペア:

[(1, 21714885), (3, 7238295), (5, 4342977), (9, 2412765), (15, 1447659), (27, 804255), (45, 482553), (81, 268085), (135, 160851), (405, 53617)]