21120562

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 34998912

約数和(自身を除く): 13878350

約数列:

[1, 2, 17, 34, 37, 74, 103, 163, 206, 326, 629, 1258, 1751, 2771, 3502, 3811, 5542, 6031, 7622, 12062, 16789, 33578, 64787, 102527, 129574, 205054, 285413, 570826, 621193, 1242386, 10560281, 21120562]

約数ペア:

[(1, 21120562), (2, 10560281), (17, 1242386), (34, 621193), (37, 570826), (74, 285413), (103, 205054), (163, 129574), (206, 102527), (326, 64787), (629, 33578), (1258, 16789), (1751, 12062), (2771, 7622), (3502, 6031), (3811, 5542)]