21176880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88237}}^1$

素因数の和:88253

約数の個数: 40

約数和(自身を含む): 65649072

約数和(自身を除く): 44472192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88237, 176474, 264711, 352948, 441185, 529422, 705896, 882370, 1058844, 1323555, 1411792, 1764740, 2117688, 2647110, 3529480, 4235376, 5294220, 7058960, 10588440, 21176880]

約数ペア:

[(1, 21176880), (2, 10588440), (3, 7058960), (4, 5294220), (5, 4235376), (6, 3529480), (8, 2647110), (10, 2117688), (12, 1764740), (15, 1411792), (16, 1323555), (20, 1058844), (24, 882370), (30, 705896), (40, 529422), (48, 441185), (60, 352948), (80, 264711), (120, 176474), (240, 88237)]