21384104

素因数分解:

$2^3\times 7^1\times {\mathrm{381859}}^1$

素因数の和:381872

約数の個数: 16

約数和(自身を含む): 45823200

約数和(自身を除く): 24439096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 381859, 763718, 1527436, 2673013, 3054872, 5346026, 10692052, 21384104]

約数ペア:

[(1, 21384104), (2, 10692052), (4, 5346026), (7, 3054872), (8, 2673013), (14, 1527436), (28, 763718), (56, 381859)]