21360500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 35248780

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 125, 140, 170, 175, 238, 250, 340, 350, 359, 425, 476, 500, 595, 700, 718, 850, 875, 1190, 1436, 1700, 1750, 1795, 2125, 2380, 2513, 2975, 3500, 3590, 4250, 5026, 5950, 6103, 7180, 8500, 8975, 10052, 11900, 12206, 12565, 14875, 17950, 24412, 25130, 29750, 30515, 35900, 42721, 44875, 50260, 59500, 61030, 62825, 85442, 89750, 122060, 125650, 152575, 170884, 179500, 213605, 251300, 305150, 314125, 427210, 610300, 628250, 762875, 854420, 1068025, 1256500, 1525750, 2136050, 3051500, 4272100, 5340125, 10680250, 21360500]

約数ペア:

[(1, 21360500), (2, 10680250), (4, 5340125), (5, 4272100), (7, 3051500), (10, 2136050), (14, 1525750), (17, 1256500), (20, 1068025), (25, 854420), (28, 762875), (34, 628250), (35, 610300), (50, 427210), (68, 314125), (70, 305150), (85, 251300), (100, 213605), (119, 179500), (125, 170884), (140, 152575), (170, 125650), (175, 122060), (238, 89750), (250, 85442), (340, 62825), (350, 61030), (359, 59500), (425, 50260), (476, 44875), (500, 42721), (595, 35900), (700, 30515), (718, 29750), (850, 25130), (875, 24412), (1190, 17950), (1436, 14875), (1700, 12565), (1750, 12206), (1795, 11900), (2125, 10052), (2380, 8975), (2513, 8500), (2975, 7180), (3500, 6103), (3590, 5950), (4250, 5026)]