21716800

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{277}}^1$

素因数の和:313

約数の個数: 126

約数和(自身を含む): 62385702

約数和(自身を除く): 40668902

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 277, 280, 320, 350, 392, 400, 448, 490, 554, 560, 700, 784, 800, 980, 1108, 1120, 1225, 1385, 1400, 1568, 1600, 1939, 1960, 2216, 2240, 2450, 2770, 2800, 3136, 3878, 3920, 4432, 4900, 5540, 5600, 6925, 7756, 7840, 8864, 9695, 9800, 11080, 11200, 13573, 13850, 15512, 15680, 17728, 19390, 19600, 22160, 27146, 27700, 31024, 38780, 39200, 44320, 48475, 54292, 55400, 62048, 67865, 77560, 78400, 88640, 96950, 108584, 110800, 124096, 135730, 155120, 193900, 217168, 221600, 271460, 310240, 339325, 387800, 434336, 443200, 542920, 620480, 678650, 775600, 868672, 1085840, 1357300, 1551200, 2171680, 2714600, 3102400, 4343360, 5429200, 10858400, 21716800]

約数ペア:

[(1, 21716800), (2, 10858400), (4, 5429200), (5, 4343360), (7, 3102400), (8, 2714600), (10, 2171680), (14, 1551200), (16, 1357300), (20, 1085840), (25, 868672), (28, 775600), (32, 678650), (35, 620480), (40, 542920), (49, 443200), (50, 434336), (56, 387800), (64, 339325), (70, 310240), (80, 271460), (98, 221600), (100, 217168), (112, 193900), (140, 155120), (160, 135730), (175, 124096), (196, 110800), (200, 108584), (224, 96950), (245, 88640), (277, 78400), (280, 77560), (320, 67865), (350, 62048), (392, 55400), (400, 54292), (448, 48475), (490, 44320), (554, 39200), (560, 38780), (700, 31024), (784, 27700), (800, 27146), (980, 22160), (1108, 19600), (1120, 19390), (1225, 17728), (1385, 15680), (1400, 15512), (1568, 13850), (1600, 13573), (1939, 11200), (1960, 11080), (2216, 9800), (2240, 9695), (2450, 8864), (2770, 7840), (2800, 7756), (3136, 6925), (3878, 5600), (3920, 5540), (4432, 4900)]