21038123760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87658849}}^1$

素因数の和:87658865

約数の個数: 40

約数和(自身を含む): 65218184400

約数和(自身を除く): 44180060640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87658849, 175317698, 262976547, 350635396, 438294245, 525953094, 701270792, 876588490, 1051906188, 1314882735, 1402541584, 1753176980, 2103812376, 2629765470, 3506353960, 4207624752, 5259530940, 7012707920, 10519061880, 21038123760]

約数ペア:

[(1, 21038123760), (2, 10519061880), (3, 7012707920), (4, 5259530940), (5, 4207624752), (6, 3506353960), (8, 2629765470), (10, 2103812376), (12, 1753176980), (15, 1402541584), (16, 1314882735), (20, 1051906188), (24, 876588490), (30, 701270792), (40, 525953094), (48, 438294245), (60, 350635396), (80, 262976547), (120, 175317698), (240, 87658849)]