21942200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2239}}^1$

素因数の和:2269

約数の個数: 72

約数和(自身を含む): 59371200

約数和(自身を除く): 37429000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2239, 2450, 4478, 4900, 8956, 9800, 11195, 15673, 17912, 22390, 31346, 44780, 55975, 62692, 78365, 89560, 109711, 111950, 125384, 156730, 219422, 223900, 313460, 391825, 438844, 447800, 548555, 626920, 783650, 877688, 1097110, 1567300, 2194220, 2742775, 3134600, 4388440, 5485550, 10971100, 21942200]

約数ペア:

[(1, 21942200), (2, 10971100), (4, 5485550), (5, 4388440), (7, 3134600), (8, 2742775), (10, 2194220), (14, 1567300), (20, 1097110), (25, 877688), (28, 783650), (35, 626920), (40, 548555), (49, 447800), (50, 438844), (56, 391825), (70, 313460), (98, 223900), (100, 219422), (140, 156730), (175, 125384), (196, 111950), (200, 109711), (245, 89560), (280, 78365), (350, 62692), (392, 55975), (490, 44780), (700, 31346), (980, 22390), (1225, 17912), (1400, 15673), (1960, 11195), (2239, 9800), (2450, 8956), (4478, 4900)]