21947673

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15467}}^1$

素因数の和:15524

約数の個数: 16

約数和(自身を含む): 32668416

約数和(自身を除く): 10720743

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 15467, 46401, 170137, 510411, 665081, 1995243, 7315891, 21947673]

約数ペア:

[(1, 21947673), (3, 7315891), (11, 1995243), (33, 665081), (43, 510411), (129, 170137), (473, 46401), (1419, 15467)]