21191552620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151368233}}^1$

素因数の和:151368249

約数の個数: 24

約数和(自身を含む): 50859726624

約数和(自身を除く): 29668174004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151368233, 302736466, 605472932, 756841165, 1059577631, 1513682330, 2119155262, 3027364660, 4238310524, 5297888155, 10595776310, 21191552620]

約数ペア:

[(1, 21191552620), (2, 10595776310), (4, 5297888155), (5, 4238310524), (7, 3027364660), (10, 2119155262), (14, 1513682330), (20, 1059577631), (28, 756841165), (35, 605472932), (70, 302736466), (140, 151368233)]