21375600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 120

約数和(自身を含む): 70114560

約数和(自身を除く): 48738960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 47, 48, 50, 60, 75, 80, 94, 100, 120, 141, 150, 188, 200, 235, 240, 282, 300, 376, 379, 400, 470, 564, 600, 705, 752, 758, 940, 1128, 1137, 1175, 1200, 1410, 1516, 1880, 1895, 2256, 2274, 2350, 2820, 3032, 3525, 3760, 3790, 4548, 4700, 5640, 5685, 6064, 7050, 7580, 9096, 9400, 9475, 11280, 11370, 14100, 15160, 17813, 18192, 18800, 18950, 22740, 28200, 28425, 30320, 35626, 37900, 45480, 53439, 56400, 56850, 71252, 75800, 89065, 90960, 106878, 113700, 142504, 151600, 178130, 213756, 227400, 267195, 285008, 356260, 427512, 445325, 454800, 534390, 712520, 855024, 890650, 1068780, 1335975, 1425040, 1781300, 2137560, 2671950, 3562600, 4275120, 5343900, 7125200, 10687800, 21375600]

約数ペア:

[(1, 21375600), (2, 10687800), (3, 7125200), (4, 5343900), (5, 4275120), (6, 3562600), (8, 2671950), (10, 2137560), (12, 1781300), (15, 1425040), (16, 1335975), (20, 1068780), (24, 890650), (25, 855024), (30, 712520), (40, 534390), (47, 454800), (48, 445325), (50, 427512), (60, 356260), (75, 285008), (80, 267195), (94, 227400), (100, 213756), (120, 178130), (141, 151600), (150, 142504), (188, 113700), (200, 106878), (235, 90960), (240, 89065), (282, 75800), (300, 71252), (376, 56850), (379, 56400), (400, 53439), (470, 45480), (564, 37900), (600, 35626), (705, 30320), (752, 28425), (758, 28200), (940, 22740), (1128, 18950), (1137, 18800), (1175, 18192), (1200, 17813), (1410, 15160), (1516, 14100), (1880, 11370), (1895, 11280), (2256, 9475), (2274, 9400), (2350, 9096), (2820, 7580), (3032, 7050), (3525, 6064), (3760, 5685), (3790, 5640), (4548, 4700)]