21783669

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 10149771

約数列:

[1, 3, 29, 31, 41, 87, 93, 123, 197, 591, 899, 1189, 1271, 2697, 3567, 3813, 5713, 6107, 8077, 17139, 18321, 24231, 36859, 110577, 177103, 234233, 250387, 531309, 702699, 751161, 7261223, 21783669]

約数ペア:

[(1, 21783669), (3, 7261223), (29, 751161), (31, 702699), (41, 531309), (87, 250387), (93, 234233), (123, 177103), (197, 110577), (591, 36859), (899, 24231), (1189, 18321), (1271, 17139), (2697, 8077), (3567, 6107), (3813, 5713)]