21057292

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1801}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 38346560

約数和(自身を除く): 17289268

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 316, 1801, 2923, 3602, 5846, 7204, 11692, 66637, 133274, 142279, 266548, 284558, 569116, 5264323, 10528646, 21057292]

約数ペア:

[(1, 21057292), (2, 10528646), (4, 5264323), (37, 569116), (74, 284558), (79, 266548), (148, 142279), (158, 133274), (316, 66637), (1801, 11692), (2923, 7204), (3602, 5846)]