21191217604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23557}}^1\times {\mathrm{13229}}^1$

素因数の和:36807

約数の個数: 24

約数和(自身を含む): 39270714840

約数和(自身を除く): 18079497236

約数列:

[1, 2, 4, 17, 34, 68, 13229, 23557, 26458, 47114, 52916, 94228, 224893, 400469, 449786, 800938, 899572, 1601876, 311635553, 623271106, 1246542212, 5297804401, 10595608802, 21191217604]

約数ペア:

[(1, 21191217604), (2, 10595608802), (4, 5297804401), (17, 1246542212), (34, 623271106), (68, 311635553), (13229, 1601876), (23557, 899572), (26458, 800938), (47114, 449786), (52916, 400469), (94228, 224893)]