21817140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363619}}^1$

素因数の和:363631

約数の個数: 24

約数和(自身を含む): 61088160

約数和(自身を除く): 39271020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363619, 727238, 1090857, 1454476, 1818095, 2181714, 3636190, 4363428, 5454285, 7272380, 10908570, 21817140]

約数ペア:

[(1, 21817140), (2, 10908570), (3, 7272380), (4, 5454285), (5, 4363428), (6, 3636190), (10, 2181714), (12, 1818095), (15, 1454476), (20, 1090857), (30, 727238), (60, 363619)]