21186930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41543}}^1$

素因数の和:41570

約数の個数: 32

約数和(自身を含む): 53841024

約数和(自身を除く): 32654094

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41543, 83086, 124629, 207715, 249258, 415430, 623145, 706231, 1246290, 1412462, 2118693, 3531155, 4237386, 7062310, 10593465, 21186930]

約数ペア:

[(1, 21186930), (2, 10593465), (3, 7062310), (5, 4237386), (6, 3531155), (10, 2118693), (15, 1412462), (17, 1246290), (30, 706231), (34, 623145), (51, 415430), (85, 249258), (102, 207715), (170, 124629), (255, 83086), (510, 41543)]