21065893085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9641141}}^1$

素因数の和:9641188

約数の個数: 16

約数和(自身を含む): 27766488960

約数和(自身を除く): 6700595875

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9641141, 48205705, 183181679, 221746243, 915908395, 1108731215, 4213178617, 21065893085]

約数ペア:

[(1, 21065893085), (5, 4213178617), (19, 1108731215), (23, 915908395), (95, 221746243), (115, 183181679), (437, 48205705), (2185, 9641141)]