21521768

素因数分解:

$2^3\times {\mathrm{587}}^1\times {\mathrm{4583}}^1$

素因数の和:5176

約数の個数: 16

約数和(自身を含む): 40430880

約数和(自身を除く): 18909112

約数列:

[1, 2, 4, 8, 587, 1174, 2348, 4583, 4696, 9166, 18332, 36664, 2690221, 5380442, 10760884, 21521768]

約数ペア:

[(1, 21521768), (2, 10760884), (4, 5380442), (8, 2690221), (587, 36664), (1174, 18332), (2348, 9166), (4583, 4696)]