21695268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258277}}^1$

素因数の和:258291

約数の個数: 24

約数和(自身を含む): 57854272

約数和(自身を除く): 36159004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258277, 516554, 774831, 1033108, 1549662, 1807939, 3099324, 3615878, 5423817, 7231756, 10847634, 21695268]

約数ペア:

[(1, 21695268), (2, 10847634), (3, 7231756), (4, 5423817), (6, 3615878), (7, 3099324), (12, 1807939), (14, 1549662), (21, 1033108), (28, 774831), (42, 516554), (84, 258277)]