21299110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5741}}^1$

素因数の和:5808

約数の個数: 32

約数和(自身を含む): 44649792

約数和(自身を除く): 23350682

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5741, 11482, 28705, 40187, 57410, 80374, 200935, 304273, 401870, 608546, 1521365, 2129911, 3042730, 4259822, 10649555, 21299110]

約数ペア:

[(1, 21299110), (2, 10649555), (5, 4259822), (7, 3042730), (10, 2129911), (14, 1521365), (35, 608546), (53, 401870), (70, 304273), (106, 200935), (265, 80374), (371, 57410), (530, 40187), (742, 28705), (1855, 11482), (3710, 5741)]