21155430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705181}}^1$

素因数の和:705191

約数の個数: 16

約数和(自身を含む): 50773104

約数和(自身を除く): 29617674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705181, 1410362, 2115543, 3525905, 4231086, 7051810, 10577715, 21155430]

約数ペア:

[(1, 21155430), (2, 10577715), (3, 7051810), (5, 4231086), (6, 3525905), (10, 2115543), (15, 1410362), (30, 705181)]