21791370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{726379}}^1$

素因数の和:726389

約数の個数: 16

約数和(自身を含む): 52299360

約数和(自身を除く): 30507990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 726379, 1452758, 2179137, 3631895, 4358274, 7263790, 10895685, 21791370]

約数ペア:

[(1, 21791370), (2, 10895685), (3, 7263790), (5, 4358274), (6, 3631895), (10, 2179137), (15, 1452758), (30, 726379)]