21960780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366013}}^1$

素因数の和:366025

約数の個数: 24

約数和(自身を含む): 61490352

約数和(自身を除く): 39529572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366013, 732026, 1098039, 1464052, 1830065, 2196078, 3660130, 4392156, 5490195, 7320260, 10980390, 21960780]

約数ペア:

[(1, 21960780), (2, 10980390), (3, 7320260), (4, 5490195), (5, 4392156), (6, 3660130), (10, 2196078), (12, 1830065), (15, 1464052), (20, 1098039), (30, 732026), (60, 366013)]