21558054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 51388416

約数和(自身を除く): 29830362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 67, 94, 134, 141, 163, 201, 282, 326, 329, 402, 469, 489, 658, 938, 978, 987, 1141, 1407, 1974, 2282, 2814, 3149, 3423, 6298, 6846, 7661, 9447, 10921, 15322, 18894, 21842, 22043, 22983, 32763, 44086, 45966, 53627, 65526, 66129, 76447, 107254, 132258, 152894, 160881, 229341, 321762, 458682, 513287, 1026574, 1539861, 3079722, 3593009, 7186018, 10779027, 21558054]

約数ペア:

[(1, 21558054), (2, 10779027), (3, 7186018), (6, 3593009), (7, 3079722), (14, 1539861), (21, 1026574), (42, 513287), (47, 458682), (67, 321762), (94, 229341), (134, 160881), (141, 152894), (163, 132258), (201, 107254), (282, 76447), (326, 66129), (329, 65526), (402, 53627), (469, 45966), (489, 44086), (658, 32763), (938, 22983), (978, 22043), (987, 21842), (1141, 18894), (1407, 15322), (1974, 10921), (2282, 9447), (2814, 7661), (3149, 6846), (3423, 6298)]