21790090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18311}}^1$

素因数の和:18342

約数の個数: 32

約数和(自身を含む): 47464704

約数和(自身を除く): 25674614

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 18311, 36622, 91555, 128177, 183110, 256354, 311287, 622574, 640885, 1281770, 1556435, 2179009, 3112870, 4358018, 10895045, 21790090]

約数ペア:

[(1, 21790090), (2, 10895045), (5, 4358018), (7, 3112870), (10, 2179009), (14, 1556435), (17, 1281770), (34, 640885), (35, 622574), (70, 311287), (85, 256354), (119, 183110), (170, 128177), (238, 91555), (595, 36622), (1190, 18311)]