21546080

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 29638144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 433, 622, 866, 1244, 1555, 1732, 2165, 2488, 3110, 3464, 4330, 4976, 6220, 6928, 8660, 9952, 12440, 13856, 17320, 24880, 34640, 49760, 69280, 134663, 269326, 538652, 673315, 1077304, 1346630, 2154608, 2693260, 4309216, 5386520, 10773040, 21546080]

約数ペア:

[(1, 21546080), (2, 10773040), (4, 5386520), (5, 4309216), (8, 2693260), (10, 2154608), (16, 1346630), (20, 1077304), (32, 673315), (40, 538652), (80, 269326), (160, 134663), (311, 69280), (433, 49760), (622, 34640), (866, 24880), (1244, 17320), (1555, 13856), (1732, 12440), (2165, 9952), (2488, 8660), (3110, 6928), (3464, 6220), (4330, 4976)]