21027960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58411}}^1$

素因数の和:58428

約数の個数: 48

約数和(自身を含む): 68342040

約数和(自身を除く): 47314080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58411, 116822, 175233, 233644, 292055, 350466, 467288, 525699, 584110, 700932, 876165, 1051398, 1168220, 1401864, 1752330, 2102796, 2336440, 2628495, 3504660, 4205592, 5256990, 7009320, 10513980, 21027960]

約数ペア:

[(1, 21027960), (2, 10513980), (3, 7009320), (4, 5256990), (5, 4205592), (6, 3504660), (8, 2628495), (9, 2336440), (10, 2102796), (12, 1752330), (15, 1401864), (18, 1168220), (20, 1051398), (24, 876165), (30, 700932), (36, 584110), (40, 525699), (45, 467288), (60, 350466), (72, 292055), (90, 233644), (120, 175233), (180, 116822), (360, 58411)]