21095812

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 16936028

約数列:

[1, 2, 4, 41, 82, 164, 307, 419, 614, 838, 1228, 1676, 12587, 17179, 25174, 34358, 50348, 68716, 128633, 257266, 514532, 5273953, 10547906, 21095812]

約数ペア:

[(1, 21095812), (2, 10547906), (4, 5273953), (41, 514532), (82, 257266), (164, 128633), (307, 68716), (419, 50348), (614, 34358), (838, 25174), (1228, 17179), (1676, 12587)]