21691852

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2591}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 27079220

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2591, 4186, 5182, 8372, 10364, 18137, 33683, 36274, 59593, 67366, 72548, 119186, 134732, 235781, 238372, 417151, 471562, 774709, 834302, 943124, 1549418, 1668604, 3098836, 5422963, 10845926, 21691852]

約数ペア:

[(1, 21691852), (2, 10845926), (4, 5422963), (7, 3098836), (13, 1668604), (14, 1549418), (23, 943124), (26, 834302), (28, 774709), (46, 471562), (52, 417151), (91, 238372), (92, 235781), (161, 134732), (182, 119186), (299, 72548), (322, 67366), (364, 59593), (598, 36274), (644, 33683), (1196, 18137), (2093, 10364), (2591, 8372), (4186, 5182)]