21055342

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2909}}^1$

素因数の和:2976

約数の個数: 32

約数和(自身を含む): 40227840

約数和(自身を除く): 19172498

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 2909, 3619, 5818, 7238, 20363, 31999, 40726, 63998, 136723, 223993, 273446, 447986, 957061, 1503953, 1914122, 3007906, 10527671, 21055342]

約数ペア:

[(1, 21055342), (2, 10527671), (7, 3007906), (11, 1914122), (14, 1503953), (22, 957061), (47, 447986), (77, 273446), (94, 223993), (154, 136723), (329, 63998), (517, 40726), (658, 31999), (1034, 20363), (2909, 7238), (3619, 5818)]