21198492705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{829849}}^1$

素因数の和:830001

約数の個数: 32

約数和(自身を含む): 36805507200

約数和(自身を除く): 15607014495

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 5109, 8515, 25545, 829849, 2489547, 4149245, 10788037, 12447735, 32364111, 53940185, 108710219, 161820555, 326130657, 543551095, 1413232847, 1630653285, 4239698541, 7066164235, 21198492705]

約数ペア:

[(1, 21198492705), (3, 7066164235), (5, 4239698541), (13, 1630653285), (15, 1413232847), (39, 543551095), (65, 326130657), (131, 161820555), (195, 108710219), (393, 53940185), (655, 32364111), (1703, 12447735), (1965, 10788037), (5109, 4149245), (8515, 2489547), (25545, 829849)]