21196070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{302801}}^1$

素因数の和:302815

約数の個数: 16

約数和(自身を含む): 43603488

約数和(自身を除く): 22407418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 302801, 605602, 1514005, 2119607, 3028010, 4239214, 10598035, 21196070]

約数ペア:

[(1, 21196070), (2, 10598035), (5, 4239214), (7, 3028010), (10, 2119607), (14, 1514005), (35, 605602), (70, 302801)]