21947400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 75078900

約数和(自身を除く): 53131500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 89, 90, 100, 120, 137, 150, 178, 180, 200, 225, 267, 274, 300, 356, 360, 411, 445, 450, 534, 548, 600, 685, 712, 801, 822, 890, 900, 1068, 1096, 1233, 1335, 1370, 1602, 1644, 1780, 1800, 2055, 2136, 2225, 2466, 2670, 2740, 3204, 3288, 3425, 3560, 4005, 4110, 4450, 4932, 5340, 5480, 6165, 6408, 6675, 6850, 8010, 8220, 8900, 9864, 10275, 10680, 12193, 12330, 13350, 13700, 16020, 16440, 17800, 20025, 20550, 24386, 24660, 26700, 27400, 30825, 32040, 36579, 40050, 41100, 48772, 49320, 53400, 60965, 61650, 73158, 80100, 82200, 97544, 109737, 121930, 123300, 146316, 160200, 182895, 219474, 243860, 246600, 292632, 304825, 365790, 438948, 487720, 548685, 609650, 731580, 877896, 914475, 1097370, 1219300, 1463160, 1828950, 2194740, 2438600, 2743425, 3657900, 4389480, 5486850, 7315800, 10973700, 21947400]

約数ペア:

[(1, 21947400), (2, 10973700), (3, 7315800), (4, 5486850), (5, 4389480), (6, 3657900), (8, 2743425), (9, 2438600), (10, 2194740), (12, 1828950), (15, 1463160), (18, 1219300), (20, 1097370), (24, 914475), (25, 877896), (30, 731580), (36, 609650), (40, 548685), (45, 487720), (50, 438948), (60, 365790), (72, 304825), (75, 292632), (89, 246600), (90, 243860), (100, 219474), (120, 182895), (137, 160200), (150, 146316), (178, 123300), (180, 121930), (200, 109737), (225, 97544), (267, 82200), (274, 80100), (300, 73158), (356, 61650), (360, 60965), (411, 53400), (445, 49320), (450, 48772), (534, 41100), (548, 40050), (600, 36579), (685, 32040), (712, 30825), (801, 27400), (822, 26700), (890, 24660), (900, 24386), (1068, 20550), (1096, 20025), (1233, 17800), (1335, 16440), (1370, 16020), (1602, 13700), (1644, 13350), (1780, 12330), (1800, 12193), (2055, 10680), (2136, 10275), (2225, 9864), (2466, 8900), (2670, 8220), (2740, 8010), (3204, 6850), (3288, 6675), (3425, 6408), (3560, 6165), (4005, 5480), (4110, 5340), (4450, 4932)]