21280576

素因数分解:

$2^6\times {\mathrm{332509}}^1$

素因数の和:332521

約数の個数: 14

約数和(自身を含む): 42228770

約数和(自身を除く): 20948194

約数列:

[1, 2, 4, 8, 16, 32, 64, 332509, 665018, 1330036, 2660072, 5320144, 10640288, 21280576]

約数ペア:

[(1, 21280576), (2, 10640288), (4, 5320144), (8, 2660072), (16, 1330036), (32, 665018), (64, 332509)]