21723736

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 42408000

約数和(自身を除く): 20684264

約数列:

[1, 2, 4, 8, 37, 74, 79, 148, 158, 296, 316, 632, 929, 1858, 2923, 3716, 5846, 7432, 11692, 23384, 34373, 68746, 73391, 137492, 146782, 274984, 293564, 587128, 2715467, 5430934, 10861868, 21723736]

約数ペア:

[(1, 21723736), (2, 10861868), (4, 5430934), (8, 2715467), (37, 587128), (74, 293564), (79, 274984), (148, 146782), (158, 137492), (296, 73391), (316, 68746), (632, 34373), (929, 23384), (1858, 11692), (2923, 7432), (3716, 5846)]