21704880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90437}}^1$

素因数の和:90453

約数の個数: 40

約数和(自身を含む): 67285872

約数和(自身を除く): 45580992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90437, 180874, 271311, 361748, 452185, 542622, 723496, 904370, 1085244, 1356555, 1446992, 1808740, 2170488, 2713110, 3617480, 4340976, 5426220, 7234960, 10852440, 21704880]

約数ペア:

[(1, 21704880), (2, 10852440), (3, 7234960), (4, 5426220), (5, 4340976), (6, 3617480), (8, 2713110), (10, 2170488), (12, 1808740), (15, 1446992), (16, 1356555), (20, 1085244), (24, 904370), (30, 723496), (40, 542622), (48, 452185), (60, 361748), (80, 271311), (120, 180874), (240, 90437)]