21248713408

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:695

約数の個数: 168

約数和(自身を含む): 47597568000

約数和(自身を除く): 26348854592

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 127, 169, 208, 248, 254, 338, 403, 416, 496, 499, 508, 676, 806, 832, 992, 998, 1016, 1352, 1612, 1651, 1984, 1996, 2032, 2704, 3224, 3302, 3937, 3992, 4064, 5239, 5408, 6448, 6487, 6604, 7874, 7984, 8128, 10478, 10816, 12896, 12974, 13208, 15469, 15748, 15968, 20956, 21463, 25792, 25948, 26416, 30938, 31496, 31936, 41912, 42926, 51181, 51896, 52832, 61876, 62992, 63373, 83824, 84331, 85852, 102362, 103792, 105664, 123752, 125984, 126746, 167648, 168662, 171704, 201097, 204724, 207584, 247504, 251968, 253492, 335296, 337324, 343408, 402194, 409448, 415168, 495008, 506984, 665353, 674648, 686816, 804388, 818896, 823849, 990016, 1013968, 1330706, 1349296, 1373632, 1608776, 1637792, 1647698, 1964563, 2027936, 2614261, 2661412, 2698592, 3217552, 3275584, 3295396, 3929126, 4055872, 5228522, 5322824, 5397184, 6435104, 6590792, 7858252, 10457044, 10645648, 10710037, 12870208, 13181584, 15716504, 20914088, 21291296, 21420074, 25539319, 26363168, 31433008, 41828176, 42582592, 42840148, 51078638, 52726336, 62866016, 83656352, 85680296, 102157276, 125732032, 167312704, 171360592, 204314552, 332011147, 342721184, 408629104, 664022294, 685442368, 817258208, 1328044588, 1634516416, 2656089176, 5312178352, 10624356704, 21248713408]

約数ペア:

[(1, 21248713408), (2, 10624356704), (4, 5312178352), (8, 2656089176), (13, 1634516416), (16, 1328044588), (26, 817258208), (31, 685442368), (32, 664022294), (52, 408629104), (62, 342721184), (64, 332011147), (104, 204314552), (124, 171360592), (127, 167312704), (169, 125732032), (208, 102157276), (248, 85680296), (254, 83656352), (338, 62866016), (403, 52726336), (416, 51078638), (496, 42840148), (499, 42582592), (508, 41828176), (676, 31433008), (806, 26363168), (832, 25539319), (992, 21420074), (998, 21291296), (1016, 20914088), (1352, 15716504), (1612, 13181584), (1651, 12870208), (1984, 10710037), (1996, 10645648), (2032, 10457044), (2704, 7858252), (3224, 6590792), (3302, 6435104), (3937, 5397184), (3992, 5322824), (4064, 5228522), (5239, 4055872), (5408, 3929126), (6448, 3295396), (6487, 3275584), (6604, 3217552), (7874, 2698592), (7984, 2661412), (8128, 2614261), (10478, 2027936), (10816, 1964563), (12896, 1647698), (12974, 1637792), (13208, 1608776), (15469, 1373632), (15748, 1349296), (15968, 1330706), (20956, 1013968), (21463, 990016), (25792, 823849), (25948, 818896), (26416, 804388), (30938, 686816), (31496, 674648), (31936, 665353), (41912, 506984), (42926, 495008), (51181, 415168), (51896, 409448), (52832, 402194), (61876, 343408), (62992, 337324), (63373, 335296), (83824, 253492), (84331, 251968), (85852, 247504), (102362, 207584), (103792, 204724), (105664, 201097), (123752, 171704), (125984, 168662), (126746, 167648)]