21379320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59387}}^1$

素因数の和:59404

約数の個数: 48

約数和(自身を含む): 69483960

約数和(自身を除く): 48104640

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, 59387, 118774, 178161, 237548, 296935, 356322, 475096, 534483, 593870, 712644, 890805, 1068966, 1187740, 1425288, 1781610, 2137932, 2375480, 2672415, 3563220, 4275864, 5344830, 7126440, 10689660, 21379320]

約数ペア:

[(1, 21379320), (2, 10689660), (3, 7126440), (4, 5344830), (5, 4275864), (6, 3563220), (8, 2672415), (9, 2375480), (10, 2137932), (12, 1781610), (15, 1425288), (18, 1187740), (20, 1068966), (24, 890805), (30, 712644), (36, 593870), (40, 534483), (45, 475096), (60, 356322), (72, 296935), (90, 237548), (120, 178161), (180, 118774), (360, 59387)]