21685960184

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:438

約数の個数: 192

約数和(自身を含む): 50021084160

約数和(自身を除く): 28335123976

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 61, 74, 98, 122, 127, 148, 193, 196, 244, 254, 259, 296, 386, 392, 427, 488, 508, 518, 772, 854, 889, 1016, 1036, 1351, 1544, 1708, 1778, 1813, 2072, 2257, 2702, 2989, 3416, 3556, 3626, 4514, 4699, 5404, 5978, 6223, 7112, 7141, 7252, 7747, 9028, 9398, 9457, 10808, 11773, 11956, 12446, 14282, 14504, 15494, 15799, 18056, 18796, 18914, 23546, 23912, 24511, 24892, 28564, 30988, 31598, 32893, 37592, 37828, 47092, 49022, 49784, 49987, 54229, 57128, 61976, 63196, 65786, 75656, 82411, 94184, 98044, 99974, 108458, 110593, 126392, 131572, 164822, 171577, 196088, 199948, 216916, 221186, 230251, 263144, 286639, 329644, 343154, 349909, 379603, 399896, 433832, 435601, 442372, 460502, 573278, 576877, 659288, 686308, 699818, 759206, 871202, 884744, 906907, 921004, 1146556, 1153754, 1201039, 1372616, 1399636, 1495171, 1518412, 1742404, 1813814, 1842008, 2006473, 2293112, 2307508, 2402078, 2799272, 2990342, 3036824, 3049207, 3484808, 3627628, 4012946, 4615016, 4804156, 5980684, 6098414, 6348349, 7255256, 8025892, 9608312, 10466197, 11961368, 12196828, 12696698, 14045311, 16051784, 20932394, 21344449, 24393656, 25393396, 28090622, 41864788, 42688898, 44438443, 50786792, 55321327, 56181244, 73263379, 83729576, 85377796, 88876886, 110642654, 112362488, 146526758, 170755592, 177753772, 221285308, 293053516, 355507544, 387249289, 442570616, 586107032, 774498578, 1548997156, 2710745023, 3097994312, 5421490046, 10842980092, 21685960184]

約数ペア:

[(1, 21685960184), (2, 10842980092), (4, 5421490046), (7, 3097994312), (8, 2710745023), (14, 1548997156), (28, 774498578), (37, 586107032), (49, 442570616), (56, 387249289), (61, 355507544), (74, 293053516), (98, 221285308), (122, 177753772), (127, 170755592), (148, 146526758), (193, 112362488), (196, 110642654), (244, 88876886), (254, 85377796), (259, 83729576), (296, 73263379), (386, 56181244), (392, 55321327), (427, 50786792), (488, 44438443), (508, 42688898), (518, 41864788), (772, 28090622), (854, 25393396), (889, 24393656), (1016, 21344449), (1036, 20932394), (1351, 16051784), (1544, 14045311), (1708, 12696698), (1778, 12196828), (1813, 11961368), (2072, 10466197), (2257, 9608312), (2702, 8025892), (2989, 7255256), (3416, 6348349), (3556, 6098414), (3626, 5980684), (4514, 4804156), (4699, 4615016), (5404, 4012946), (5978, 3627628), (6223, 3484808), (7112, 3049207), (7141, 3036824), (7252, 2990342), (7747, 2799272), (9028, 2402078), (9398, 2307508), (9457, 2293112), (10808, 2006473), (11773, 1842008), (11956, 1813814), (12446, 1742404), (14282, 1518412), (14504, 1495171), (15494, 1399636), (15799, 1372616), (18056, 1201039), (18796, 1153754), (18914, 1146556), (23546, 921004), (23912, 906907), (24511, 884744), (24892, 871202), (28564, 759206), (30988, 699818), (31598, 686308), (32893, 659288), (37592, 576877), (37828, 573278), (47092, 460502), (49022, 442372), (49784, 435601), (49987, 433832), (54229, 399896), (57128, 379603), (61976, 349909), (63196, 343154), (65786, 329644), (75656, 286639), (82411, 263144), (94184, 230251), (98044, 221186), (99974, 216916), (108458, 199948), (110593, 196088), (126392, 171577), (131572, 164822)]