21747222

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{172597}}^1$

素因数の和:172612

約数の個数: 24

約数和(自身を含む): 53850576

約数和(自身を除く): 32103354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 172597, 345194, 517791, 1035582, 1208179, 1553373, 2416358, 3106746, 3624537, 7249074, 10873611, 21747222]

約数ペア:

[(1, 21747222), (2, 10873611), (3, 7249074), (6, 3624537), (7, 3106746), (9, 2416358), (14, 1553373), (18, 1208179), (21, 1035582), (42, 517791), (63, 345194), (126, 172597)]