2021208100

素因数分解:

$2^2\times 5^2\times {\mathrm{4217}}^1\times {\mathrm{4793}}^1$

素因数の和:9024

約数の個数: 36

約数和(自身を含む): 4387976964

約数和(自身を除く): 2366768864

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4217, 4793, 8434, 9586, 16868, 19172, 21085, 23965, 42170, 47930, 84340, 95860, 105425, 119825, 210850, 239650, 421700, 479300, 20212081, 40424162, 80848324, 101060405, 202120810, 404241620, 505302025, 1010604050, 2021208100]

約数ペア:

[(1, 2021208100), (2, 1010604050), (4, 505302025), (5, 404241620), (10, 202120810), (20, 101060405), (25, 80848324), (50, 40424162), (100, 20212081), (4217, 479300), (4793, 421700), (8434, 239650), (9586, 210850), (16868, 119825), (19172, 105425), (21085, 95860), (23965, 84340), (42170, 47930)]