21393232

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{761}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 47621952

約数和(自身を除く): 26228720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 761, 1004, 1522, 1757, 2008, 3044, 3514, 4016, 5327, 6088, 7028, 10654, 12176, 14056, 21308, 28112, 42616, 85232, 191011, 382022, 764044, 1337077, 1528088, 2674154, 3056176, 5348308, 10696616, 21393232]

約数ペア:

[(1, 21393232), (2, 10696616), (4, 5348308), (7, 3056176), (8, 2674154), (14, 1528088), (16, 1337077), (28, 764044), (56, 382022), (112, 191011), (251, 85232), (502, 42616), (761, 28112), (1004, 21308), (1522, 14056), (1757, 12176), (2008, 10654), (3044, 7028), (3514, 6088), (4016, 5327)]