21035018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14817526

約数列:

[1, 2, 17, 23, 34, 37, 46, 74, 391, 629, 727, 782, 851, 1258, 1454, 1702, 12359, 14467, 16721, 24718, 26899, 28934, 33442, 53798, 284257, 457283, 568514, 618677, 914566, 1237354, 10517509, 21035018]

約数ペア:

[(1, 21035018), (2, 10517509), (17, 1237354), (23, 914566), (34, 618677), (37, 568514), (46, 457283), (74, 284257), (391, 53798), (629, 33442), (727, 28934), (782, 26899), (851, 24718), (1258, 16721), (1454, 14467), (1702, 12359)]