21561012

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{18149}}^1$

素因数の和:18173

約数の個数: 48

約数和(自身を含む): 60984000

約数和(自身を除く): 39422988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 18149, 36298, 54447, 72596, 108894, 163341, 199639, 217788, 326682, 399278, 490023, 598917, 653364, 798556, 980046, 1197834, 1796751, 1960092, 2395668, 3593502, 5390253, 7187004, 10780506, 21561012]

約数ペア:

[(1, 21561012), (2, 10780506), (3, 7187004), (4, 5390253), (6, 3593502), (9, 2395668), (11, 1960092), (12, 1796751), (18, 1197834), (22, 980046), (27, 798556), (33, 653364), (36, 598917), (44, 490023), (54, 399278), (66, 326682), (99, 217788), (108, 199639), (132, 163341), (198, 108894), (297, 72596), (396, 54447), (594, 36298), (1188, 18149)]