21247384140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{14081}}^1$

素因数の和:14280

約数の個数: 144

約数和(自身を含む): 65877398496

約数和(自身を除く): 44630014356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 101, 166, 180, 202, 249, 303, 332, 404, 415, 498, 505, 606, 747, 830, 909, 996, 1010, 1212, 1245, 1494, 1515, 1660, 1818, 2020, 2490, 2988, 3030, 3636, 3735, 4545, 4980, 6060, 7470, 8383, 9090, 14081, 14940, 16766, 18180, 25149, 28162, 33532, 41915, 42243, 50298, 56324, 70405, 75447, 83830, 84486, 100596, 125745, 126729, 140810, 150894, 167660, 168972, 211215, 251490, 253458, 281620, 301788, 377235, 422430, 502980, 506916, 633645, 754470, 844860, 1168723, 1267290, 1422181, 1508940, 2337446, 2534580, 2844362, 3506169, 4266543, 4674892, 5688724, 5843615, 7012338, 7110905, 8533086, 10518507, 11687230, 12799629, 14024676, 14221810, 17066172, 17530845, 21037014, 21332715, 23374460, 25599258, 28443620, 35061690, 42074028, 42665430, 51198516, 52592535, 63998145, 70123380, 85330860, 105185070, 118041023, 127996290, 210370140, 236082046, 255992580, 354123069, 472164092, 590205115, 708246138, 1062369207, 1180410230, 1416492276, 1770615345, 2124738414, 2360820460, 3541230690, 4249476828, 5311846035, 7082461380, 10623692070, 21247384140]

約数ペア:

[(1, 21247384140), (2, 10623692070), (3, 7082461380), (4, 5311846035), (5, 4249476828), (6, 3541230690), (9, 2360820460), (10, 2124738414), (12, 1770615345), (15, 1416492276), (18, 1180410230), (20, 1062369207), (30, 708246138), (36, 590205115), (45, 472164092), (60, 354123069), (83, 255992580), (90, 236082046), (101, 210370140), (166, 127996290), (180, 118041023), (202, 105185070), (249, 85330860), (303, 70123380), (332, 63998145), (404, 52592535), (415, 51198516), (498, 42665430), (505, 42074028), (606, 35061690), (747, 28443620), (830, 25599258), (909, 23374460), (996, 21332715), (1010, 21037014), (1212, 17530845), (1245, 17066172), (1494, 14221810), (1515, 14024676), (1660, 12799629), (1818, 11687230), (2020, 10518507), (2490, 8533086), (2988, 7110905), (3030, 7012338), (3636, 5843615), (3735, 5688724), (4545, 4674892), (4980, 4266543), (6060, 3506169), (7470, 2844362), (8383, 2534580), (9090, 2337446), (14081, 1508940), (14940, 1422181), (16766, 1267290), (18180, 1168723), (25149, 844860), (28162, 754470), (33532, 633645), (41915, 506916), (42243, 502980), (50298, 422430), (56324, 377235), (70405, 301788), (75447, 281620), (83830, 253458), (84486, 251490), (100596, 211215), (125745, 168972), (126729, 167660), (140810, 150894)]