21147000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 256

約数和(自身を含む): 80870400

約数和(自身を除く): 59723400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 50, 53, 56, 57, 60, 70, 75, 76, 84, 95, 100, 105, 106, 114, 120, 125, 133, 140, 150, 152, 159, 168, 175, 190, 200, 210, 212, 228, 250, 265, 266, 280, 285, 300, 318, 350, 371, 375, 380, 399, 420, 424, 456, 475, 500, 525, 530, 532, 570, 600, 636, 665, 700, 742, 750, 760, 795, 798, 840, 875, 950, 1000, 1007, 1050, 1060, 1064, 1113, 1140, 1272, 1325, 1330, 1400, 1425, 1484, 1500, 1590, 1596, 1750, 1855, 1900, 1995, 2014, 2100, 2120, 2226, 2280, 2375, 2625, 2650, 2660, 2850, 2968, 3000, 3021, 3180, 3192, 3325, 3500, 3710, 3800, 3975, 3990, 4028, 4200, 4452, 4750, 5035, 5250, 5300, 5320, 5565, 5700, 6042, 6360, 6625, 6650, 7000, 7049, 7125, 7420, 7950, 7980, 8056, 8904, 9275, 9500, 9975, 10070, 10500, 10600, 11130, 11400, 12084, 13250, 13300, 14098, 14250, 14840, 15105, 15900, 15960, 16625, 18550, 19000, 19875, 19950, 20140, 21000, 21147, 22260, 24168, 25175, 26500, 26600, 27825, 28196, 28500, 30210, 31800, 33250, 35245, 37100, 39750, 39900, 40280, 42294, 44520, 46375, 49875, 50350, 53000, 55650, 56392, 57000, 60420, 66500, 70490, 74200, 75525, 79500, 79800, 84588, 92750, 99750, 100700, 105735, 111300, 120840, 125875, 133000, 139125, 140980, 151050, 159000, 169176, 176225, 185500, 199500, 201400, 211470, 222600, 251750, 278250, 281960, 302100, 352450, 371000, 377625, 399000, 422940, 503500, 528675, 556500, 604200, 704900, 755250, 845880, 881125, 1007000, 1057350, 1113000, 1409800, 1510500, 1762250, 2114700, 2643375, 3021000, 3524500, 4229400, 5286750, 7049000, 10573500, 21147000]

約数ペア:

[(1, 21147000), (2, 10573500), (3, 7049000), (4, 5286750), (5, 4229400), (6, 3524500), (7, 3021000), (8, 2643375), (10, 2114700), (12, 1762250), (14, 1510500), (15, 1409800), (19, 1113000), (20, 1057350), (21, 1007000), (24, 881125), (25, 845880), (28, 755250), (30, 704900), (35, 604200), (38, 556500), (40, 528675), (42, 503500), (50, 422940), (53, 399000), (56, 377625), (57, 371000), (60, 352450), (70, 302100), (75, 281960), (76, 278250), (84, 251750), (95, 222600), (100, 211470), (105, 201400), (106, 199500), (114, 185500), (120, 176225), (125, 169176), (133, 159000), (140, 151050), (150, 140980), (152, 139125), (159, 133000), (168, 125875), (175, 120840), (190, 111300), (200, 105735), (210, 100700), (212, 99750), (228, 92750), (250, 84588), (265, 79800), (266, 79500), (280, 75525), (285, 74200), (300, 70490), (318, 66500), (350, 60420), (371, 57000), (375, 56392), (380, 55650), (399, 53000), (420, 50350), (424, 49875), (456, 46375), (475, 44520), (500, 42294), (525, 40280), (530, 39900), (532, 39750), (570, 37100), (600, 35245), (636, 33250), (665, 31800), (700, 30210), (742, 28500), (750, 28196), (760, 27825), (795, 26600), (798, 26500), (840, 25175), (875, 24168), (950, 22260), (1000, 21147), (1007, 21000), (1050, 20140), (1060, 19950), (1064, 19875), (1113, 19000), (1140, 18550), (1272, 16625), (1325, 15960), (1330, 15900), (1400, 15105), (1425, 14840), (1484, 14250), (1500, 14098), (1590, 13300), (1596, 13250), (1750, 12084), (1855, 11400), (1900, 11130), (1995, 10600), (2014, 10500), (2100, 10070), (2120, 9975), (2226, 9500), (2280, 9275), (2375, 8904), (2625, 8056), (2650, 7980), (2660, 7950), (2850, 7420), (2968, 7125), (3000, 7049), (3021, 7000), (3180, 6650), (3192, 6625), (3325, 6360), (3500, 6042), (3710, 5700), (3800, 5565), (3975, 5320), (3990, 5300), (4028, 5250), (4200, 5035), (4452, 4750)]