21312245318

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1851

約数の個数: 128

約数和(自身を含む): 42865536000

約数和(自身を除く): 21553290682

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 73, 91, 98, 133, 146, 182, 247, 266, 343, 494, 511, 637, 686, 931, 949, 1022, 1274, 1387, 1723, 1729, 1862, 1898, 2774, 3446, 3458, 3577, 4459, 6517, 6643, 7154, 8918, 9709, 12061, 12103, 13034, 13286, 18031, 19418, 22399, 24122, 24206, 25039, 32737, 36062, 44798, 46501, 50078, 65474, 67963, 84427, 84721, 93002, 125779, 126217, 135926, 156793, 168854, 169442, 229159, 251558, 252434, 313586, 325507, 425581, 458318, 475741, 590989, 651014, 851162, 880453, 883519, 951482, 1097551, 1181978, 1604113, 1635127, 1760906, 1767038, 2195102, 2389801, 2979067, 3208226, 3270254, 4779602, 5958134, 6163171, 6184633, 7682857, 11228791, 11445889, 12326342, 12369266, 15365714, 16728607, 20853469, 22457582, 22891778, 31067413, 33457214, 41706938, 43142197, 62134826, 80121223, 86284394, 117100249, 145974283, 160242446, 217471891, 234200498, 291948566, 434943782, 560848561, 819701743, 1121697122, 1522303237, 1639403486, 3044606474, 10656122659, 21312245318]

約数ペア:

[(1, 21312245318), (2, 10656122659), (7, 3044606474), (13, 1639403486), (14, 1522303237), (19, 1121697122), (26, 819701743), (38, 560848561), (49, 434943782), (73, 291948566), (91, 234200498), (98, 217471891), (133, 160242446), (146, 145974283), (182, 117100249), (247, 86284394), (266, 80121223), (343, 62134826), (494, 43142197), (511, 41706938), (637, 33457214), (686, 31067413), (931, 22891778), (949, 22457582), (1022, 20853469), (1274, 16728607), (1387, 15365714), (1723, 12369266), (1729, 12326342), (1862, 11445889), (1898, 11228791), (2774, 7682857), (3446, 6184633), (3458, 6163171), (3577, 5958134), (4459, 4779602), (6517, 3270254), (6643, 3208226), (7154, 2979067), (8918, 2389801), (9709, 2195102), (12061, 1767038), (12103, 1760906), (13034, 1635127), (13286, 1604113), (18031, 1181978), (19418, 1097551), (22399, 951482), (24122, 883519), (24206, 880453), (25039, 851162), (32737, 651014), (36062, 590989), (44798, 475741), (46501, 458318), (50078, 425581), (65474, 325507), (67963, 313586), (84427, 252434), (84721, 251558), (93002, 229159), (125779, 169442), (126217, 168854), (135926, 156793)]