21000314583

素因数分解:

$3^4\times {\mathrm{569}}^1\times {\mathrm{455647}}^1$

素因数の和:456228

約数の個数: 20

約数和(自身を含む): 31426042560

約数和(自身を除く): 10425727977

約数列:

[1, 3, 9, 27, 81, 569, 1707, 5121, 15363, 46089, 455647, 1366941, 4100823, 12302469, 36907407, 259263143, 777789429, 2333368287, 7000104861, 21000314583]

約数ペア:

[(1, 21000314583), (3, 7000104861), (9, 2333368287), (27, 777789429), (81, 259263143), (569, 36907407), (1707, 12302469), (5121, 4100823), (15363, 1366941), (46089, 455647)]