21184890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41539}}^1$

素因数の和:41566

約数の個数: 32

約数和(自身を含む): 53835840

約数和(自身を除く): 32650950

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41539, 83078, 124617, 207695, 249234, 415390, 623085, 706163, 1246170, 1412326, 2118489, 3530815, 4236978, 7061630, 10592445, 21184890]

約数ペア:

[(1, 21184890), (2, 10592445), (3, 7061630), (5, 4236978), (6, 3530815), (10, 2118489), (15, 1412326), (17, 1246170), (30, 706163), (34, 623085), (51, 415390), (85, 249234), (102, 207695), (170, 124617), (255, 83078), (510, 41539)]