21920682

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7351}}^1$

素因数の和:7434

約数の個数: 32

約数和(自身を含む): 50817024

約数和(自身を除く): 28896342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7351, 14702, 22053, 44106, 51457, 102914, 154371, 308742, 521921, 1043842, 1565763, 3131526, 3653447, 7306894, 10960341, 21920682]

約数ペア:

[(1, 21920682), (2, 10960341), (3, 7306894), (6, 3653447), (7, 3131526), (14, 1565763), (21, 1043842), (42, 521921), (71, 308742), (142, 154371), (213, 102914), (426, 51457), (497, 44106), (994, 22053), (1491, 14702), (2982, 7351)]