21114660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50273}}^1$

素因数の和:50292

約数の個数: 48

約数和(自身を含む): 67568256

約数和(自身を除く): 46453596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50273, 100546, 150819, 201092, 251365, 301638, 351911, 502730, 603276, 703822, 754095, 1005460, 1055733, 1407644, 1508190, 1759555, 2111466, 3016380, 3519110, 4222932, 5278665, 7038220, 10557330, 21114660]

約数ペア:

[(1, 21114660), (2, 10557330), (3, 7038220), (4, 5278665), (5, 4222932), (6, 3519110), (7, 3016380), (10, 2111466), (12, 1759555), (14, 1508190), (15, 1407644), (20, 1055733), (21, 1005460), (28, 754095), (30, 703822), (35, 603276), (42, 502730), (60, 351911), (70, 301638), (84, 251365), (105, 201092), (140, 150819), (210, 100546), (420, 50273)]