21715218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{172343}}^1$

素因数の和:172358

約数の個数: 24

約数和(自身を含む): 53771328

約数和(自身を除く): 32056110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 172343, 344686, 517029, 1034058, 1206401, 1551087, 2412802, 3102174, 3619203, 7238406, 10857609, 21715218]

約数ペア:

[(1, 21715218), (2, 10857609), (3, 7238406), (6, 3619203), (7, 3102174), (9, 2412802), (14, 1551087), (18, 1206401), (21, 1034058), (42, 517029), (63, 344686), (126, 172343)]