21288992

素因数分解:

$2^5\times {\mathrm{577}}^1\times {\mathrm{1153}}^1$

素因数の和:1740

約数の個数: 24

約数和(自身を含む): 42021756

約数和(自身を除く): 20732764

約数列:

[1, 2, 4, 8, 16, 32, 577, 1153, 1154, 2306, 2308, 4612, 4616, 9224, 9232, 18448, 18464, 36896, 665281, 1330562, 2661124, 5322248, 10644496, 21288992]

約数ペア:

[(1, 21288992), (2, 10644496), (4, 5322248), (8, 2661124), (16, 1330562), (32, 665281), (577, 36896), (1153, 18464), (1154, 18448), (2306, 9232), (2308, 9224), (4612, 4616)]