21681715510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{577}}^1$

素因数の和:975

約数の個数: 192

約数和(自身を含む): 52006183488

約数和(自身を除く): 30324467978

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 49, 65, 70, 85, 91, 98, 119, 130, 170, 182, 221, 238, 245, 347, 442, 455, 490, 577, 595, 637, 694, 833, 910, 1105, 1154, 1190, 1274, 1547, 1666, 1735, 2210, 2429, 2885, 3094, 3185, 3470, 4039, 4165, 4511, 4858, 5770, 5899, 6370, 7501, 7735, 8078, 8330, 9022, 9809, 10829, 11798, 12145, 15002, 15470, 17003, 19618, 20195, 21658, 22555, 24290, 28273, 29495, 31577, 34006, 37505, 40390, 41293, 45110, 49045, 52507, 54145, 56546, 58990, 63154, 68663, 75010, 76687, 82586, 85015, 98090, 105014, 108290, 127517, 137326, 141365, 153374, 157885, 170030, 200219, 206465, 221039, 255034, 262535, 282730, 289051, 315770, 343315, 367549, 383435, 400438, 412930, 442078, 480641, 525070, 536809, 578102, 637585, 686630, 735098, 766870, 892619, 961282, 1001095, 1073618, 1105195, 1275170, 1401533, 1445255, 1785238, 1837745, 2002190, 2210390, 2403205, 2602847, 2684045, 2803066, 2890510, 3403723, 3675490, 3757663, 4463095, 4806410, 5205694, 5368090, 6248333, 6807446, 7007665, 7515326, 8926190, 9810731, 12496666, 13014235, 14015330, 17018615, 18219929, 18788315, 19621462, 23826061, 26028470, 31241665, 34037230, 36439858, 37576630, 44248399, 47652122, 49053655, 62483330, 88496798, 91099645, 98107310, 119130305, 127539503, 166782427, 182199290, 221241995, 238260610, 255079006, 309738793, 333564854, 442483990, 619477586, 637697515, 833912135, 1275395030, 1548693965, 1667824270, 2168171551, 3097387930, 4336343102, 10840857755, 21681715510]

約数ペア:

[(1, 21681715510), (2, 10840857755), (5, 4336343102), (7, 3097387930), (10, 2168171551), (13, 1667824270), (14, 1548693965), (17, 1275395030), (26, 833912135), (34, 637697515), (35, 619477586), (49, 442483990), (65, 333564854), (70, 309738793), (85, 255079006), (91, 238260610), (98, 221241995), (119, 182199290), (130, 166782427), (170, 127539503), (182, 119130305), (221, 98107310), (238, 91099645), (245, 88496798), (347, 62483330), (442, 49053655), (455, 47652122), (490, 44248399), (577, 37576630), (595, 36439858), (637, 34037230), (694, 31241665), (833, 26028470), (910, 23826061), (1105, 19621462), (1154, 18788315), (1190, 18219929), (1274, 17018615), (1547, 14015330), (1666, 13014235), (1735, 12496666), (2210, 9810731), (2429, 8926190), (2885, 7515326), (3094, 7007665), (3185, 6807446), (3470, 6248333), (4039, 5368090), (4165, 5205694), (4511, 4806410), (4858, 4463095), (5770, 3757663), (5899, 3675490), (6370, 3403723), (7501, 2890510), (7735, 2803066), (8078, 2684045), (8330, 2602847), (9022, 2403205), (9809, 2210390), (10829, 2002190), (11798, 1837745), (12145, 1785238), (15002, 1445255), (15470, 1401533), (17003, 1275170), (19618, 1105195), (20195, 1073618), (21658, 1001095), (22555, 961282), (24290, 892619), (28273, 766870), (29495, 735098), (31577, 686630), (34006, 637585), (37505, 578102), (40390, 536809), (41293, 525070), (45110, 480641), (49045, 442078), (52507, 412930), (54145, 400438), (56546, 383435), (58990, 367549), (63154, 343315), (68663, 315770), (75010, 289051), (76687, 282730), (82586, 262535), (85015, 255034), (98090, 221039), (105014, 206465), (108290, 200219), (127517, 170030), (137326, 157885), (141365, 153374)]