21616401

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9857}}^1$

素因数の和:9920

約数の個数: 16

約数和(自身を含む): 31230144

約数和(自身を除く): 9613743

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9857, 29571, 167569, 423851, 502707, 1271553, 7205467, 21616401]

約数ペア:

[(1, 21616401), (3, 7205467), (17, 1271553), (43, 502707), (51, 423851), (129, 167569), (731, 29571), (2193, 9857)]