21391680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22283}}^1$

素因数の和:22303

約数の個数: 56

約数和(自身を含む): 67921632

約数和(自身を除く): 46529952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22283, 44566, 66849, 89132, 111415, 133698, 178264, 222830, 267396, 334245, 356528, 445660, 534792, 668490, 713056, 891320, 1069584, 1336980, 1426112, 1782640, 2139168, 2673960, 3565280, 4278336, 5347920, 7130560, 10695840, 21391680]

約数ペア:

[(1, 21391680), (2, 10695840), (3, 7130560), (4, 5347920), (5, 4278336), (6, 3565280), (8, 2673960), (10, 2139168), (12, 1782640), (15, 1426112), (16, 1336980), (20, 1069584), (24, 891320), (30, 713056), (32, 668490), (40, 534792), (48, 445660), (60, 356528), (64, 334245), (80, 267396), (96, 222830), (120, 178264), (160, 133698), (192, 111415), (240, 89132), (320, 66849), (480, 44566), (960, 22283)]