21253400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 64281600

約数和(自身を除く): 43028200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 40, 47, 50, 56, 68, 70, 76, 85, 94, 95, 100, 119, 133, 136, 140, 152, 170, 175, 188, 190, 200, 235, 238, 266, 280, 323, 329, 340, 350, 376, 380, 425, 470, 475, 476, 532, 595, 646, 658, 665, 680, 700, 760, 799, 850, 893, 940, 950, 952, 1064, 1175, 1190, 1292, 1316, 1330, 1400, 1598, 1615, 1645, 1700, 1786, 1880, 1900, 2261, 2350, 2380, 2584, 2632, 2660, 2975, 3196, 3230, 3290, 3325, 3400, 3572, 3800, 3995, 4465, 4522, 4700, 4760, 5320, 5593, 5950, 6251, 6392, 6460, 6580, 6650, 7144, 7990, 8075, 8225, 8930, 9044, 9400, 11186, 11305, 11900, 12502, 12920, 13160, 13300, 15181, 15980, 16150, 16450, 17860, 18088, 19975, 22325, 22372, 22610, 23800, 25004, 26600, 27965, 30362, 31255, 31960, 32300, 32900, 35720, 39950, 44650, 44744, 45220, 50008, 55930, 56525, 60724, 62510, 64600, 65800, 75905, 79900, 89300, 90440, 106267, 111860, 113050, 121448, 125020, 139825, 151810, 156275, 159800, 178600, 212534, 223720, 226100, 250040, 279650, 303620, 312550, 379525, 425068, 452200, 531335, 559300, 607240, 625100, 759050, 850136, 1062670, 1118600, 1250200, 1518100, 2125340, 2656675, 3036200, 4250680, 5313350, 10626700, 21253400]

約数ペア:

[(1, 21253400), (2, 10626700), (4, 5313350), (5, 4250680), (7, 3036200), (8, 2656675), (10, 2125340), (14, 1518100), (17, 1250200), (19, 1118600), (20, 1062670), (25, 850136), (28, 759050), (34, 625100), (35, 607240), (38, 559300), (40, 531335), (47, 452200), (50, 425068), (56, 379525), (68, 312550), (70, 303620), (76, 279650), (85, 250040), (94, 226100), (95, 223720), (100, 212534), (119, 178600), (133, 159800), (136, 156275), (140, 151810), (152, 139825), (170, 125020), (175, 121448), (188, 113050), (190, 111860), (200, 106267), (235, 90440), (238, 89300), (266, 79900), (280, 75905), (323, 65800), (329, 64600), (340, 62510), (350, 60724), (376, 56525), (380, 55930), (425, 50008), (470, 45220), (475, 44744), (476, 44650), (532, 39950), (595, 35720), (646, 32900), (658, 32300), (665, 31960), (680, 31255), (700, 30362), (760, 27965), (799, 26600), (850, 25004), (893, 23800), (940, 22610), (950, 22372), (952, 22325), (1064, 19975), (1175, 18088), (1190, 17860), (1292, 16450), (1316, 16150), (1330, 15980), (1400, 15181), (1598, 13300), (1615, 13160), (1645, 12920), (1700, 12502), (1786, 11900), (1880, 11305), (1900, 11186), (2261, 9400), (2350, 9044), (2380, 8930), (2584, 8225), (2632, 8075), (2660, 7990), (2975, 7144), (3196, 6650), (3230, 6580), (3290, 6460), (3325, 6392), (3400, 6251), (3572, 5950), (3800, 5593), (3995, 5320), (4465, 4760), (4522, 4700)]