21248700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 68995584

約数和(自身を除く): 47746884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 47, 50, 55, 60, 66, 75, 94, 100, 110, 132, 137, 141, 150, 165, 188, 220, 235, 274, 275, 282, 300, 330, 411, 470, 517, 548, 550, 564, 660, 685, 705, 822, 825, 940, 1034, 1100, 1175, 1370, 1410, 1507, 1551, 1644, 1650, 2055, 2068, 2350, 2585, 2740, 2820, 3014, 3102, 3300, 3425, 3525, 4110, 4521, 4700, 5170, 6028, 6204, 6439, 6850, 7050, 7535, 7755, 8220, 9042, 10275, 10340, 12878, 12925, 13700, 14100, 15070, 15510, 18084, 19317, 20550, 22605, 25756, 25850, 30140, 31020, 32195, 37675, 38634, 38775, 41100, 45210, 51700, 64390, 70829, 75350, 77268, 77550, 90420, 96585, 113025, 128780, 141658, 150700, 155100, 160975, 193170, 212487, 226050, 283316, 321950, 354145, 386340, 424974, 452100, 482925, 643900, 708290, 849948, 965850, 1062435, 1416580, 1770725, 1931700, 2124870, 3541450, 4249740, 5312175, 7082900, 10624350, 21248700]

約数ペア:

[(1, 21248700), (2, 10624350), (3, 7082900), (4, 5312175), (5, 4249740), (6, 3541450), (10, 2124870), (11, 1931700), (12, 1770725), (15, 1416580), (20, 1062435), (22, 965850), (25, 849948), (30, 708290), (33, 643900), (44, 482925), (47, 452100), (50, 424974), (55, 386340), (60, 354145), (66, 321950), (75, 283316), (94, 226050), (100, 212487), (110, 193170), (132, 160975), (137, 155100), (141, 150700), (150, 141658), (165, 128780), (188, 113025), (220, 96585), (235, 90420), (274, 77550), (275, 77268), (282, 75350), (300, 70829), (330, 64390), (411, 51700), (470, 45210), (517, 41100), (548, 38775), (550, 38634), (564, 37675), (660, 32195), (685, 31020), (705, 30140), (822, 25850), (825, 25756), (940, 22605), (1034, 20550), (1100, 19317), (1175, 18084), (1370, 15510), (1410, 15070), (1507, 14100), (1551, 13700), (1644, 12925), (1650, 12878), (2055, 10340), (2068, 10275), (2350, 9042), (2585, 8220), (2740, 7755), (2820, 7535), (3014, 7050), (3102, 6850), (3300, 6439), (3425, 6204), (3525, 6028), (4110, 5170), (4521, 4700)]