21361260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4877}}^1$

素因数の和:4962

約数の個数: 48

約数和(自身を含む): 60643296

約数和(自身を除く): 39282036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4877, 9754, 14631, 19508, 24385, 29262, 48770, 58524, 73155, 97540, 146310, 292620, 356021, 712042, 1068063, 1424084, 1780105, 2136126, 3560210, 4272252, 5340315, 7120420, 10680630, 21361260]

約数ペア:

[(1, 21361260), (2, 10680630), (3, 7120420), (4, 5340315), (5, 4272252), (6, 3560210), (10, 2136126), (12, 1780105), (15, 1424084), (20, 1068063), (30, 712042), (60, 356021), (73, 292620), (146, 146310), (219, 97540), (292, 73155), (365, 58524), (438, 48770), (730, 29262), (876, 24385), (1095, 19508), (1460, 14631), (2190, 9754), (4380, 4877)]