21785082

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 49246176

約数和(自身を除く): 27461094

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 121, 222, 242, 363, 407, 726, 811, 814, 1221, 1622, 2433, 2442, 4477, 4866, 8921, 8954, 13431, 17842, 26763, 26862, 30007, 53526, 60014, 90021, 98131, 180042, 196262, 294393, 330077, 588786, 660154, 990231, 1980462, 3630847, 7261694, 10892541, 21785082]

約数ペア:

[(1, 21785082), (2, 10892541), (3, 7261694), (6, 3630847), (11, 1980462), (22, 990231), (33, 660154), (37, 588786), (66, 330077), (74, 294393), (111, 196262), (121, 180042), (222, 98131), (242, 90021), (363, 60014), (407, 53526), (726, 30007), (811, 26862), (814, 26763), (1221, 17842), (1622, 13431), (2433, 8954), (2442, 8921), (4477, 4866)]