21500883

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3847}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 33616128

約数和(自身を除く): 12115245

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3847, 5589, 11541, 34623, 88481, 103869, 265443, 311607, 796329, 934821, 2388987, 7166961, 21500883]

約数ペア:

[(1, 21500883), (3, 7166961), (9, 2388987), (23, 934821), (27, 796329), (69, 311607), (81, 265443), (207, 103869), (243, 88481), (621, 34623), (1863, 11541), (3847, 5589)]