21423232

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5399}}^1$

素因数の和:5444

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 22640768

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5399, 10798, 21596, 43192, 86384, 167369, 172768, 334738, 345536, 669476, 691072, 1338952, 2677904, 5355808, 10711616, 21423232]

約数ペア:

[(1, 21423232), (2, 10711616), (4, 5355808), (8, 2677904), (16, 1338952), (31, 691072), (32, 669476), (62, 345536), (64, 334738), (124, 172768), (128, 167369), (248, 86384), (496, 43192), (992, 21596), (1984, 10798), (3968, 5399)]