21545514

素因数分解:

$2^1\times 3^4\times {\mathrm{179}}^1\times {\mathrm{743}}^1$

素因数の和:936

約数の個数: 40

約数和(自身を含む): 48612960

約数和(自身を除く): 27067446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 179, 358, 537, 743, 1074, 1486, 1611, 2229, 3222, 4458, 4833, 6687, 9666, 13374, 14499, 20061, 28998, 40122, 60183, 120366, 132997, 265994, 398991, 797982, 1196973, 2393946, 3590919, 7181838, 10772757, 21545514]

約数ペア:

[(1, 21545514), (2, 10772757), (3, 7181838), (6, 3590919), (9, 2393946), (18, 1196973), (27, 797982), (54, 398991), (81, 265994), (162, 132997), (179, 120366), (358, 60183), (537, 40122), (743, 28998), (1074, 20061), (1486, 14499), (1611, 13374), (2229, 9666), (3222, 6687), (4458, 4833)]