21110800

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:700

約数の個数: 60

約数和(自身を含む): 51375060

約数和(自身を除く): 30264260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 593, 712, 890, 1186, 1424, 1780, 2225, 2372, 2965, 3560, 4450, 4744, 5930, 7120, 8900, 9488, 11860, 14825, 17800, 23720, 29650, 35600, 47440, 52777, 59300, 105554, 118600, 211108, 237200, 263885, 422216, 527770, 844432, 1055540, 1319425, 2111080, 2638850, 4222160, 5277700, 10555400, 21110800]

約数ペア:

[(1, 21110800), (2, 10555400), (4, 5277700), (5, 4222160), (8, 2638850), (10, 2111080), (16, 1319425), (20, 1055540), (25, 844432), (40, 527770), (50, 422216), (80, 263885), (89, 237200), (100, 211108), (178, 118600), (200, 105554), (356, 59300), (400, 52777), (445, 47440), (593, 35600), (712, 29650), (890, 23720), (1186, 17800), (1424, 14825), (1780, 11860), (2225, 9488), (2372, 8900), (2965, 7120), (3560, 5930), (4450, 4744)]