21585104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79357}}^1$

素因数の和:79382

約数の個数: 20

約数和(自身を含む): 44281764

約数和(自身を除く): 22696660

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79357, 158714, 317428, 634856, 1269712, 1349069, 2698138, 5396276, 10792552, 21585104]

約数ペア:

[(1, 21585104), (2, 10792552), (4, 5396276), (8, 2698138), (16, 1349069), (17, 1269712), (34, 634856), (68, 317428), (136, 158714), (272, 79357)]