21308370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{977}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 51262848

約数和(自身を除く): 29954478

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727, 977, 1454, 1954, 2181, 2931, 3635, 4362, 4885, 5862, 7270, 9770, 10905, 14655, 21810, 29310, 710279, 1420558, 2130837, 3551395, 4261674, 7102790, 10654185, 21308370]

約数ペア:

[(1, 21308370), (2, 10654185), (3, 7102790), (5, 4261674), (6, 3551395), (10, 2130837), (15, 1420558), (30, 710279), (727, 29310), (977, 21810), (1454, 14655), (1954, 10905), (2181, 9770), (2931, 7270), (3635, 5862), (4362, 4885)]