21093055952

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2530357}}^1$

素因数の和:2530886

約数の個数: 20

約数和(自身を含む): 40946253156

約数和(自身を除く): 19853197204

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 4168, 8336, 2530357, 5060714, 10121428, 20242856, 40485712, 1318315997, 2636631994, 5273263988, 10546527976, 21093055952]

約数ペア:

[(1, 21093055952), (2, 10546527976), (4, 5273263988), (8, 2636631994), (16, 1318315997), (521, 40485712), (1042, 20242856), (2084, 10121428), (4168, 5060714), (8336, 2530357)]