21126868848

素因数分解:

$2^4\times 3^3\times {\mathrm{131}}^1\times {\mathrm{577}}^1\times {\mathrm{647}}^1$

素因数の和:1372

約数の個数: 160

約数和(自身を含む): 61305361920

約数和(自身を除く): 40178493072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 131, 144, 216, 262, 393, 432, 524, 577, 647, 786, 1048, 1154, 1179, 1294, 1572, 1731, 1941, 2096, 2308, 2358, 2588, 3144, 3462, 3537, 3882, 4616, 4716, 5176, 5193, 5823, 6288, 6924, 7074, 7764, 9232, 9432, 10352, 10386, 11646, 13848, 14148, 15528, 15579, 17469, 18864, 20772, 23292, 27696, 28296, 31056, 31158, 34938, 41544, 46584, 56592, 62316, 69876, 75587, 83088, 84757, 93168, 124632, 139752, 151174, 169514, 226761, 249264, 254271, 279504, 302348, 339028, 373319, 453522, 508542, 604696, 678056, 680283, 746638, 762813, 907044, 1017084, 1119957, 1209392, 1356112, 1360566, 1493276, 1525626, 1814088, 2034168, 2040849, 2239914, 2288439, 2721132, 2986552, 3051252, 3359871, 3628176, 4068336, 4081698, 4479828, 4576878, 5442264, 5973104, 6102504, 6719742, 8163396, 8959656, 9153756, 10079613, 10884528, 12205008, 13439484, 16326792, 17919312, 18307512, 20159226, 26878968, 32653584, 36615024, 40318452, 48904789, 53757936, 80636904, 97809578, 146714367, 161273808, 195619156, 293428734, 391238312, 440143101, 586857468, 782476624, 880286202, 1173714936, 1320429303, 1760572404, 2347429872, 2640858606, 3521144808, 5281717212, 7042289616, 10563434424, 21126868848]

約数ペア:

[(1, 21126868848), (2, 10563434424), (3, 7042289616), (4, 5281717212), (6, 3521144808), (8, 2640858606), (9, 2347429872), (12, 1760572404), (16, 1320429303), (18, 1173714936), (24, 880286202), (27, 782476624), (36, 586857468), (48, 440143101), (54, 391238312), (72, 293428734), (108, 195619156), (131, 161273808), (144, 146714367), (216, 97809578), (262, 80636904), (393, 53757936), (432, 48904789), (524, 40318452), (577, 36615024), (647, 32653584), (786, 26878968), (1048, 20159226), (1154, 18307512), (1179, 17919312), (1294, 16326792), (1572, 13439484), (1731, 12205008), (1941, 10884528), (2096, 10079613), (2308, 9153756), (2358, 8959656), (2588, 8163396), (3144, 6719742), (3462, 6102504), (3537, 5973104), (3882, 5442264), (4616, 4576878), (4716, 4479828), (5176, 4081698), (5193, 4068336), (5823, 3628176), (6288, 3359871), (6924, 3051252), (7074, 2986552), (7764, 2721132), (9232, 2288439), (9432, 2239914), (10352, 2040849), (10386, 2034168), (11646, 1814088), (13848, 1525626), (14148, 1493276), (15528, 1360566), (15579, 1356112), (17469, 1209392), (18864, 1119957), (20772, 1017084), (23292, 907044), (27696, 762813), (28296, 746638), (31056, 680283), (31158, 678056), (34938, 604696), (41544, 508542), (46584, 453522), (56592, 373319), (62316, 339028), (69876, 302348), (75587, 279504), (83088, 254271), (84757, 249264), (93168, 226761), (124632, 169514), (139752, 151174)]