21097907919

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1392877}}^1$

素因数の和:1392917

約数の個数: 40

約数和(自身を含む): 36404259408

約数和(自身を除く): 15306351489

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 297, 459, 561, 891, 1377, 1683, 5049, 15147, 1392877, 4178631, 12535893, 15321647, 23678909, 37607679, 45964941, 71036727, 112823037, 137894823, 213110181, 260467999, 413684469, 639330543, 781403997, 1241053407, 1917991629, 2344211991, 7032635973, 21097907919]

約数ペア:

[(1, 21097907919), (3, 7032635973), (9, 2344211991), (11, 1917991629), (17, 1241053407), (27, 781403997), (33, 639330543), (51, 413684469), (81, 260467999), (99, 213110181), (153, 137894823), (187, 112823037), (297, 71036727), (459, 45964941), (561, 37607679), (891, 23678909), (1377, 15321647), (1683, 12535893), (5049, 4178631), (15147, 1392877)]