21206080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9467}}^1$

素因数の和:9491

約数の個数: 56

約数和(自身を含む): 57716928

約数和(自身を除く): 36510848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9467, 18934, 37868, 47335, 66269, 75736, 94670, 132538, 151472, 189340, 265076, 302944, 331345, 378680, 530152, 605888, 662690, 757360, 1060304, 1325380, 1514720, 2120608, 2650760, 3029440, 4241216, 5301520, 10603040, 21206080]

約数ペア:

[(1, 21206080), (2, 10603040), (4, 5301520), (5, 4241216), (7, 3029440), (8, 2650760), (10, 2120608), (14, 1514720), (16, 1325380), (20, 1060304), (28, 757360), (32, 662690), (35, 605888), (40, 530152), (56, 378680), (64, 331345), (70, 302944), (80, 265076), (112, 189340), (140, 151472), (160, 132538), (224, 94670), (280, 75736), (320, 66269), (448, 47335), (560, 37868), (1120, 18934), (2240, 9467)]