21480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 64800

約数和(自身を除く): 43320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 1074, 1432, 1790, 2148, 2685, 3580, 4296, 5370, 7160, 10740, 21480]

約数ペア:

[(1, 21480), (2, 10740), (3, 7160), (4, 5370), (5, 4296), (6, 3580), (8, 2685), (10, 2148), (12, 1790), (15, 1432), (20, 1074), (24, 895), (30, 716), (40, 537), (60, 358), (120, 179)]