21180976

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57557}}^1$

素因数の和:57588

約数の個数: 20

約数和(自身を含む): 42823152

約数和(自身を除く): 21642176

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57557, 115114, 230228, 460456, 920912, 1323811, 2647622, 5295244, 10590488, 21180976]

約数ペア:

[(1, 21180976), (2, 10590488), (4, 5295244), (8, 2647622), (16, 1323811), (23, 920912), (46, 460456), (92, 230228), (184, 115114), (368, 57557)]