21067616

素因数分解:

$2^5\times {\mathrm{571}}^1\times {\mathrm{1153}}^1$

素因数の和:1734

約数の個数: 24

約数和(自身を含む): 41585544

約数和(自身を除く): 20517928

約数列:

[1, 2, 4, 8, 16, 32, 571, 1142, 1153, 2284, 2306, 4568, 4612, 9136, 9224, 18272, 18448, 36896, 658363, 1316726, 2633452, 5266904, 10533808, 21067616]

約数ペア:

[(1, 21067616), (2, 10533808), (4, 5266904), (8, 2633452), (16, 1316726), (32, 658363), (571, 36896), (1142, 18448), (1153, 18272), (2284, 9224), (2306, 9136), (4568, 4612)]