21107370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41387}}^1$

素因数の和:41414

約数の個数: 32

約数和(自身を含む): 53638848

約数和(自身を除く): 32531478

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41387, 82774, 124161, 206935, 248322, 413870, 620805, 703579, 1241610, 1407158, 2110737, 3517895, 4221474, 7035790, 10553685, 21107370]

約数ペア:

[(1, 21107370), (2, 10553685), (3, 7035790), (5, 4221474), (6, 3517895), (10, 2110737), (15, 1407158), (17, 1241610), (30, 703579), (34, 620805), (51, 413870), (85, 248322), (102, 206935), (170, 124161), (255, 82774), (510, 41387)]