21246750

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 70087680

約数和(自身を除く): 48840930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 50, 57, 63, 70, 71, 75, 90, 95, 105, 114, 125, 126, 133, 142, 150, 171, 175, 190, 210, 213, 225, 250, 266, 285, 315, 342, 350, 355, 375, 399, 426, 450, 475, 497, 525, 570, 630, 639, 665, 710, 750, 798, 855, 875, 950, 994, 1050, 1065, 1125, 1197, 1278, 1330, 1349, 1425, 1491, 1575, 1710, 1750, 1775, 1995, 2130, 2250, 2375, 2394, 2485, 2625, 2698, 2850, 2982, 3150, 3195, 3325, 3550, 3990, 4047, 4275, 4473, 4750, 4970, 5250, 5325, 5985, 6390, 6650, 6745, 7125, 7455, 7875, 8094, 8550, 8875, 8946, 9443, 9975, 10650, 11970, 12141, 12425, 13490, 14250, 14910, 15750, 15975, 16625, 17750, 18886, 19950, 20235, 21375, 22365, 24282, 24850, 26625, 28329, 29925, 31950, 33250, 33725, 37275, 40470, 42750, 44730, 47215, 49875, 53250, 56658, 59850, 60705, 62125, 67450, 74550, 79875, 84987, 94430, 99750, 101175, 111825, 121410, 124250, 141645, 149625, 159750, 168625, 169974, 186375, 202350, 223650, 236075, 283290, 299250, 303525, 337250, 372750, 424935, 472150, 505875, 559125, 607050, 708225, 849870, 1011750, 1118250, 1180375, 1416450, 1517625, 2124675, 2360750, 3035250, 3541125, 4249350, 7082250, 10623375, 21246750]

約数ペア:

[(1, 21246750), (2, 10623375), (3, 7082250), (5, 4249350), (6, 3541125), (7, 3035250), (9, 2360750), (10, 2124675), (14, 1517625), (15, 1416450), (18, 1180375), (19, 1118250), (21, 1011750), (25, 849870), (30, 708225), (35, 607050), (38, 559125), (42, 505875), (45, 472150), (50, 424935), (57, 372750), (63, 337250), (70, 303525), (71, 299250), (75, 283290), (90, 236075), (95, 223650), (105, 202350), (114, 186375), (125, 169974), (126, 168625), (133, 159750), (142, 149625), (150, 141645), (171, 124250), (175, 121410), (190, 111825), (210, 101175), (213, 99750), (225, 94430), (250, 84987), (266, 79875), (285, 74550), (315, 67450), (342, 62125), (350, 60705), (355, 59850), (375, 56658), (399, 53250), (426, 49875), (450, 47215), (475, 44730), (497, 42750), (525, 40470), (570, 37275), (630, 33725), (639, 33250), (665, 31950), (710, 29925), (750, 28329), (798, 26625), (855, 24850), (875, 24282), (950, 22365), (994, 21375), (1050, 20235), (1065, 19950), (1125, 18886), (1197, 17750), (1278, 16625), (1330, 15975), (1349, 15750), (1425, 14910), (1491, 14250), (1575, 13490), (1710, 12425), (1750, 12141), (1775, 11970), (1995, 10650), (2130, 9975), (2250, 9443), (2375, 8946), (2394, 8875), (2485, 8550), (2625, 8094), (2698, 7875), (2850, 7455), (2982, 7125), (3150, 6745), (3195, 6650), (3325, 6390), (3550, 5985), (3990, 5325), (4047, 5250), (4275, 4970), (4473, 4750)]