21702982

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 18516218

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 1861, 3722, 5831, 11662, 13027, 26054, 31637, 63274, 91189, 182378, 221459, 442918, 638323, 1276646, 1550213, 3100426, 10851491, 21702982]

約数ペア:

[(1, 21702982), (2, 10851491), (7, 3100426), (14, 1550213), (17, 1276646), (34, 638323), (49, 442918), (98, 221459), (119, 182378), (238, 91189), (343, 63274), (686, 31637), (833, 26054), (1666, 13027), (1861, 11662), (3722, 5831)]