21325055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8093}}^1$

素因数の和:8146

約数の個数: 16

約数和(自身を含む): 27972864

約数和(自身を除く): 6647809

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 8093, 40465, 137581, 250883, 687905, 1254415, 4265011, 21325055]

約数ペア:

[(1, 21325055), (5, 4265011), (17, 1254415), (31, 687905), (85, 250883), (155, 137581), (527, 40465), (2635, 8093)]