21032046

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2437

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 31803282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2351, 2982, 4473, 4702, 7053, 8946, 14106, 16457, 21159, 32914, 42318, 49371, 98742, 148113, 166921, 296226, 333842, 500763, 1001526, 1168447, 1502289, 2336894, 3004578, 3505341, 7010682, 10516023, 21032046]

約数ペア:

[(1, 21032046), (2, 10516023), (3, 7010682), (6, 3505341), (7, 3004578), (9, 2336894), (14, 1502289), (18, 1168447), (21, 1001526), (42, 500763), (63, 333842), (71, 296226), (126, 166921), (142, 148113), (213, 98742), (426, 49371), (497, 42318), (639, 32914), (994, 21159), (1278, 16457), (1491, 14106), (2351, 8946), (2982, 7053), (4473, 4702)]