2021107970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{285871}}^1$

素因数の和:285986

約数の個数: 32

約数和(自身を含む): 4198887936

約数和(自身を除く): 2177779966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 285871, 571742, 1429355, 2001097, 2858710, 4002194, 10005485, 20010970, 28872971, 57745942, 144364855, 202110797, 288729710, 404221594, 1010553985, 2021107970]

約数ペア:

[(1, 2021107970), (2, 1010553985), (5, 404221594), (7, 288729710), (10, 202110797), (14, 144364855), (35, 57745942), (70, 28872971), (101, 20010970), (202, 10005485), (505, 4002194), (707, 2858710), (1010, 2001097), (1414, 1429355), (3535, 571742), (7070, 285871)]