21426976

素因数分解:

$2^5\times {\mathrm{661}}^1\times {\mathrm{1013}}^1$

素因数の和:1684

約数の個数: 24

約数和(自身を含む): 42289884

約数和(自身を除く): 20862908

約数列:

[1, 2, 4, 8, 16, 32, 661, 1013, 1322, 2026, 2644, 4052, 5288, 8104, 10576, 16208, 21152, 32416, 669593, 1339186, 2678372, 5356744, 10713488, 21426976]

約数ペア:

[(1, 21426976), (2, 10713488), (4, 5356744), (8, 2678372), (16, 1339186), (32, 669593), (661, 32416), (1013, 21152), (1322, 16208), (2026, 10576), (2644, 8104), (4052, 5288)]