21217070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3001}}^1$

素因数の和:3116

約数の個数: 32

約数和(自身を含む): 44093376

約数和(自身を除く): 22876306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3001, 3535, 6002, 7070, 15005, 21007, 30010, 42014, 105035, 210070, 303101, 606202, 1515505, 2121707, 3031010, 4243414, 10608535, 21217070]

約数ペア:

[(1, 21217070), (2, 10608535), (5, 4243414), (7, 3031010), (10, 2121707), (14, 1515505), (35, 606202), (70, 303101), (101, 210070), (202, 105035), (505, 42014), (707, 30010), (1010, 21007), (1414, 15005), (3001, 7070), (3535, 6002)]