21057853919

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{696611}}^1$

素因数の和:696710

約数の個数: 16

約数和(自身を含む): 23294705280

約数和(自身を除く): 2236851361

約数列:

[1, 19, 37, 43, 703, 817, 1591, 30229, 696611, 13235609, 25774607, 29954273, 489717533, 569131187, 1108308101, 21057853919]

約数ペア:

[(1, 21057853919), (19, 1108308101), (37, 569131187), (43, 489717533), (703, 29954273), (817, 25774607), (1591, 13235609), (30229, 696611)]