21202930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2999}}^1$

素因数の和:3114

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 22861070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 2999, 3535, 5998, 7070, 14995, 20993, 29990, 41986, 104965, 209930, 302899, 605798, 1514495, 2120293, 3028990, 4240586, 10601465, 21202930]

約数ペア:

[(1, 21202930), (2, 10601465), (5, 4240586), (7, 3028990), (10, 2120293), (14, 1514495), (35, 605798), (70, 302899), (101, 209930), (202, 104965), (505, 41986), (707, 29990), (1010, 20993), (1414, 14995), (2999, 7070), (3535, 5998)]