21434756

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 46368000

約数和(自身を除く): 24933244

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 919, 1372, 1666, 1838, 3332, 3676, 5831, 6433, 11662, 12866, 15623, 23324, 25732, 31246, 45031, 62492, 90062, 109361, 180124, 218722, 315217, 437444, 630434, 765527, 1260868, 1531054, 3062108, 5358689, 10717378, 21434756]

約数ペア:

[(1, 21434756), (2, 10717378), (4, 5358689), (7, 3062108), (14, 1531054), (17, 1260868), (28, 765527), (34, 630434), (49, 437444), (68, 315217), (98, 218722), (119, 180124), (196, 109361), (238, 90062), (343, 62492), (476, 45031), (686, 31246), (833, 25732), (919, 23324), (1372, 15623), (1666, 12866), (1838, 11662), (3332, 6433), (3676, 5831)]