16991268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{202277}}^1$

素因数の和:202291

約数の個数: 24

約数和(自身を含む): 45310272

約数和(自身を除く): 28319004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 202277, 404554, 606831, 809108, 1213662, 1415939, 2427324, 2831878, 4247817, 5663756, 8495634, 16991268]

約数ペア:

[(1, 16991268), (2, 8495634), (3, 5663756), (4, 4247817), (6, 2831878), (7, 2427324), (12, 1415939), (14, 1213662), (21, 809108), (28, 606831), (42, 404554), (84, 202277)]