21899692791

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{2657}}^1\times {\mathrm{17957}}^1$

素因数の和:20640

約数の個数: 32

約数和(自身を含む): 34367302080

約数和(自身を除く): 12467609289

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 2657, 7971, 17957, 23913, 45169, 53871, 71739, 135507, 161613, 305269, 406521, 484839, 915807, 1219563, 2747421, 8242263, 47711749, 143135247, 429405741, 811099733, 1288217223, 2433299199, 7299897597, 21899692791]

約数ペア:

[(1, 21899692791), (3, 7299897597), (9, 2433299199), (17, 1288217223), (27, 811099733), (51, 429405741), (153, 143135247), (459, 47711749), (2657, 8242263), (7971, 2747421), (17957, 1219563), (23913, 915807), (45169, 484839), (53871, 406521), (71739, 305269), (135507, 161613)]