21008671612

素因数分解:

$2^2\times {\mathrm{2179}}^1\times {\mathrm{2410357}}^1$

素因数の和:2412540

約数の個数: 12

約数和(自身を含む): 36782063080

約数和(自身を除く): 15773391468

約数列:

[1, 2, 4, 2179, 4358, 8716, 2410357, 4820714, 9641428, 5252167903, 10504335806, 21008671612]

約数ペア:

[(1, 21008671612), (2, 10504335806), (4, 5252167903), (2179, 9641428), (4358, 4820714), (8716, 2410357)]