21000369690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{6379}}^1$

素因数の和:6621

約数の個数: 128

約数和(自身を含む): 57052512000

約数和(自身を除く): 36052142310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 137, 178, 267, 270, 274, 411, 445, 534, 685, 801, 822, 890, 1233, 1335, 1370, 1602, 2055, 2403, 2466, 2670, 3699, 4005, 4110, 4806, 6165, 6379, 7398, 8010, 12015, 12193, 12330, 12758, 18495, 19137, 24030, 24386, 31895, 36579, 36990, 38274, 57411, 60965, 63790, 73158, 95685, 109737, 114822, 121930, 172233, 182895, 191370, 219474, 287055, 329211, 344466, 365790, 548685, 567731, 574110, 658422, 861165, 873923, 1097370, 1135462, 1646055, 1703193, 1722330, 1747846, 2621769, 2838655, 3292110, 3406386, 4369615, 5109579, 5243538, 5677310, 7865307, 8515965, 8739230, 10219158, 13108845, 15328737, 15730614, 17031930, 23595921, 25547895, 26217690, 30657474, 39326535, 47191842, 51095790, 76643685, 77779147, 78653070, 117979605, 153287370, 155558294, 233337441, 235959210, 388895735, 466674882, 700012323, 777791470, 1166687205, 1400024646, 2100036969, 2333374410, 3500061615, 4200073938, 7000123230, 10500184845, 21000369690]

約数ペア:

[(1, 21000369690), (2, 10500184845), (3, 7000123230), (5, 4200073938), (6, 3500061615), (9, 2333374410), (10, 2100036969), (15, 1400024646), (18, 1166687205), (27, 777791470), (30, 700012323), (45, 466674882), (54, 388895735), (89, 235959210), (90, 233337441), (135, 155558294), (137, 153287370), (178, 117979605), (267, 78653070), (270, 77779147), (274, 76643685), (411, 51095790), (445, 47191842), (534, 39326535), (685, 30657474), (801, 26217690), (822, 25547895), (890, 23595921), (1233, 17031930), (1335, 15730614), (1370, 15328737), (1602, 13108845), (2055, 10219158), (2403, 8739230), (2466, 8515965), (2670, 7865307), (3699, 5677310), (4005, 5243538), (4110, 5109579), (4806, 4369615), (6165, 3406386), (6379, 3292110), (7398, 2838655), (8010, 2621769), (12015, 1747846), (12193, 1722330), (12330, 1703193), (12758, 1646055), (18495, 1135462), (19137, 1097370), (24030, 873923), (24386, 861165), (31895, 658422), (36579, 574110), (36990, 567731), (38274, 548685), (57411, 365790), (60965, 344466), (63790, 329211), (73158, 287055), (95685, 219474), (109737, 191370), (114822, 182895), (121930, 172233)]