21577878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{171253}}^1$

素因数の和:171268

約数の個数: 24

約数和(自身を含む): 53431248

約数和(自身を除く): 31853370

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 171253, 342506, 513759, 1027518, 1198771, 1541277, 2397542, 3082554, 3596313, 7192626, 10788939, 21577878]

約数ペア:

[(1, 21577878), (2, 10788939), (3, 7192626), (6, 3596313), (7, 3082554), (9, 2397542), (14, 1541277), (18, 1198771), (21, 1027518), (42, 513759), (63, 342506), (126, 171253)]