21650930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7193}}^1$

素因数の和:7250

約数の個数: 32

約数和(自身を含む): 45581184

約数和(自身を除く): 23930254

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7193, 14386, 35965, 50351, 71930, 100702, 251755, 309299, 503510, 618598, 1546495, 2165093, 3092990, 4330186, 10825465, 21650930]

約数ペア:

[(1, 21650930), (2, 10825465), (5, 4330186), (7, 3092990), (10, 2165093), (14, 1546495), (35, 618598), (43, 503510), (70, 309299), (86, 251755), (215, 100702), (301, 71930), (430, 50351), (602, 35965), (1505, 14386), (3010, 7193)]