21688054920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{83557}}^1$

素因数の和:83684

約数の個数: 192

約数和(自身を含む): 81338699520

約数和(自身を除く): 59650644600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 103, 105, 120, 126, 140, 168, 180, 206, 210, 252, 280, 309, 315, 360, 412, 420, 504, 515, 618, 630, 721, 824, 840, 927, 1030, 1236, 1260, 1442, 1545, 1854, 2060, 2163, 2472, 2520, 2884, 3090, 3605, 3708, 4120, 4326, 4635, 5768, 6180, 6489, 7210, 7416, 8652, 9270, 10815, 12360, 12978, 14420, 17304, 18540, 21630, 25956, 28840, 32445, 37080, 43260, 51912, 64890, 83557, 86520, 129780, 167114, 250671, 259560, 334228, 417785, 501342, 584899, 668456, 752013, 835570, 1002684, 1169798, 1253355, 1504026, 1671140, 1754697, 2005368, 2339596, 2506710, 2924495, 3008052, 3342280, 3509394, 3760065, 4679192, 5013420, 5264091, 5848990, 6016104, 7018788, 7520130, 8606371, 8773485, 10026840, 10528182, 11697980, 14037576, 15040260, 17212742, 17546970, 21056364, 23395960, 25819113, 26320455, 30080520, 34425484, 35093940, 42112728, 43031855, 51638226, 52640910, 60244597, 68850968, 70187880, 77457339, 86063710, 103276452, 105281820, 120489194, 129095565, 154914678, 172127420, 180733791, 206552904, 210563640, 240978388, 258191130, 301222985, 309829356, 344254840, 361467582, 387286695, 481956776, 516382260, 542201373, 602445970, 619658712, 722935164, 774573390, 903668955, 1032764520, 1084402746, 1204891940, 1445870328, 1549146780, 1807337910, 2168805492, 2409783880, 2711006865, 3098293560, 3614675820, 4337610984, 5422013730, 7229351640, 10844027460, 21688054920]

約数ペア:

[(1, 21688054920), (2, 10844027460), (3, 7229351640), (4, 5422013730), (5, 4337610984), (6, 3614675820), (7, 3098293560), (8, 2711006865), (9, 2409783880), (10, 2168805492), (12, 1807337910), (14, 1549146780), (15, 1445870328), (18, 1204891940), (20, 1084402746), (21, 1032764520), (24, 903668955), (28, 774573390), (30, 722935164), (35, 619658712), (36, 602445970), (40, 542201373), (42, 516382260), (45, 481956776), (56, 387286695), (60, 361467582), (63, 344254840), (70, 309829356), (72, 301222985), (84, 258191130), (90, 240978388), (103, 210563640), (105, 206552904), (120, 180733791), (126, 172127420), (140, 154914678), (168, 129095565), (180, 120489194), (206, 105281820), (210, 103276452), (252, 86063710), (280, 77457339), (309, 70187880), (315, 68850968), (360, 60244597), (412, 52640910), (420, 51638226), (504, 43031855), (515, 42112728), (618, 35093940), (630, 34425484), (721, 30080520), (824, 26320455), (840, 25819113), (927, 23395960), (1030, 21056364), (1236, 17546970), (1260, 17212742), (1442, 15040260), (1545, 14037576), (1854, 11697980), (2060, 10528182), (2163, 10026840), (2472, 8773485), (2520, 8606371), (2884, 7520130), (3090, 7018788), (3605, 6016104), (3708, 5848990), (4120, 5264091), (4326, 5013420), (4635, 4679192), (5768, 3760065), (6180, 3509394), (6489, 3342280), (7210, 3008052), (7416, 2924495), (8652, 2506710), (9270, 2339596), (10815, 2005368), (12360, 1754697), (12978, 1671140), (14420, 1504026), (17304, 1253355), (18540, 1169798), (21630, 1002684), (25956, 835570), (28840, 752013), (32445, 668456), (37080, 584899), (43260, 501342), (51912, 417785), (64890, 334228), (83557, 259560), (86520, 250671), (129780, 167114)]