21738896

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{3067}}^1$

素因数の和:3518

約数の個数: 20

約数和(自身を含む): 42227952

約数和(自身を除く): 20489056

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3067, 3544, 6134, 7088, 12268, 24536, 49072, 1358681, 2717362, 5434724, 10869448, 21738896]

約数ペア:

[(1, 21738896), (2, 10869448), (4, 5434724), (8, 2717362), (16, 1358681), (443, 49072), (886, 24536), (1772, 12268), (3067, 7088), (3544, 6134)]