21097080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58603}}^1$

素因数の和:58620

約数の個数: 48

約数和(自身を含む): 68566680

約数和(自身を除く): 47469600

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, 58603, 117206, 175809, 234412, 293015, 351618, 468824, 527427, 586030, 703236, 879045, 1054854, 1172060, 1406472, 1758090, 2109708, 2344120, 2637135, 3516180, 4219416, 5274270, 7032360, 10548540, 21097080]

約数ペア:

[(1, 21097080), (2, 10548540), (3, 7032360), (4, 5274270), (5, 4219416), (6, 3516180), (8, 2637135), (9, 2344120), (10, 2109708), (12, 1758090), (15, 1406472), (18, 1172060), (20, 1054854), (24, 879045), (30, 703236), (36, 586030), (40, 527427), (45, 468824), (60, 351618), (72, 293015), (90, 234412), (120, 175809), (180, 117206), (360, 58603)]