21377760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44537}}^1$

素因数の和:44555

約数の個数: 48

約数和(自身を含む): 67341456

約数和(自身を除く): 45963696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44537, 89074, 133611, 178148, 222685, 267222, 356296, 445370, 534444, 668055, 712592, 890740, 1068888, 1336110, 1425184, 1781480, 2137776, 2672220, 3562960, 4275552, 5344440, 7125920, 10688880, 21377760]

約数ペア:

[(1, 21377760), (2, 10688880), (3, 7125920), (4, 5344440), (5, 4275552), (6, 3562960), (8, 2672220), (10, 2137776), (12, 1781480), (15, 1425184), (16, 1336110), (20, 1068888), (24, 890740), (30, 712592), (32, 668055), (40, 534444), (48, 445370), (60, 356296), (80, 267222), (96, 222685), (120, 178148), (160, 133611), (240, 89074), (480, 44537)]