21430071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1213}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 33584096

約数和(自身を除く): 12154025

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1213, 1359, 1963, 3639, 5889, 10917, 15769, 17667, 47307, 141921, 183163, 549489, 1648467, 2381119, 7143357, 21430071]

約数ペア:

[(1, 21430071), (3, 7143357), (9, 2381119), (13, 1648467), (39, 549489), (117, 183163), (151, 141921), (453, 47307), (1213, 17667), (1359, 15769), (1963, 10917), (3639, 5889)]