21148440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176237}}^1$

素因数の和:176251

約数の個数: 32

約数和(自身を含む): 63445680

約数和(自身を除く): 42297240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176237, 352474, 528711, 704948, 881185, 1057422, 1409896, 1762370, 2114844, 2643555, 3524740, 4229688, 5287110, 7049480, 10574220, 21148440]

約数ペア:

[(1, 21148440), (2, 10574220), (3, 7049480), (4, 5287110), (5, 4229688), (6, 3524740), (8, 2643555), (10, 2114844), (12, 1762370), (15, 1409896), (20, 1057422), (24, 881185), (30, 704948), (40, 528711), (60, 352474), (120, 176237)]