21900870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243343}}^1$

素因数の和:243356

約数の個数: 24

約数和(自身を含む): 56942496

約数和(自身を除く): 35041626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243343, 486686, 730029, 1216715, 1460058, 2190087, 2433430, 3650145, 4380174, 7300290, 10950435, 21900870]

約数ペア:

[(1, 21900870), (2, 10950435), (3, 7300290), (5, 4380174), (6, 3650145), (9, 2433430), (10, 2190087), (15, 1460058), (18, 1216715), (30, 730029), (45, 486686), (90, 243343)]