21427950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{6211}}^1$

素因数の和:6249

約数の個数: 48

約数和(自身を含む): 55460736

約数和(自身を除く): 34032786

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 6211, 12422, 18633, 31055, 37266, 62110, 93165, 142853, 155275, 186330, 285706, 310550, 428559, 465825, 714265, 857118, 931650, 1428530, 2142795, 3571325, 4285590, 7142650, 10713975, 21427950]

約数ペア:

[(1, 21427950), (2, 10713975), (3, 7142650), (5, 4285590), (6, 3571325), (10, 2142795), (15, 1428530), (23, 931650), (25, 857118), (30, 714265), (46, 465825), (50, 428559), (69, 310550), (75, 285706), (115, 186330), (138, 155275), (150, 142853), (230, 93165), (345, 62110), (575, 37266), (690, 31055), (1150, 18633), (1725, 12422), (3450, 6211)]