21563760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89849}}^1$

素因数の和:89865

約数の個数: 40

約数和(自身を含む): 66848400

約数和(自身を除く): 45284640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89849, 179698, 269547, 359396, 449245, 539094, 718792, 898490, 1078188, 1347735, 1437584, 1796980, 2156376, 2695470, 3593960, 4312752, 5390940, 7187920, 10781880, 21563760]

約数ペア:

[(1, 21563760), (2, 10781880), (3, 7187920), (4, 5390940), (5, 4312752), (6, 3593960), (8, 2695470), (10, 2156376), (12, 1796980), (15, 1437584), (16, 1347735), (20, 1078188), (24, 898490), (30, 718792), (40, 539094), (48, 449245), (60, 359396), (80, 269547), (120, 179698), (240, 89849)]