21005262480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{7577}}^1\times {\mathrm{11551}}^1$

素因数の和:19144

約数の個数: 80

約数和(自身を含む): 65130545664

約数和(自身を除く): 44125283184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 7577, 11551, 15154, 22731, 23102, 30308, 34653, 37885, 45462, 46204, 57755, 60616, 69306, 75770, 90924, 92408, 113655, 115510, 121232, 138612, 151540, 173265, 181848, 184816, 227310, 231020, 277224, 303080, 346530, 363696, 454620, 462040, 554448, 606160, 693060, 909240, 924080, 1386120, 1818480, 2772240, 87521927, 175043854, 262565781, 350087708, 437609635, 525131562, 700175416, 875219270, 1050263124, 1312828905, 1400350832, 1750438540, 2100526248, 2625657810, 3500877080, 4201052496, 5251315620, 7001754160, 10502631240, 21005262480]

約数ペア:

[(1, 21005262480), (2, 10502631240), (3, 7001754160), (4, 5251315620), (5, 4201052496), (6, 3500877080), (8, 2625657810), (10, 2100526248), (12, 1750438540), (15, 1400350832), (16, 1312828905), (20, 1050263124), (24, 875219270), (30, 700175416), (40, 525131562), (48, 437609635), (60, 350087708), (80, 262565781), (120, 175043854), (240, 87521927), (7577, 2772240), (11551, 1818480), (15154, 1386120), (22731, 924080), (23102, 909240), (30308, 693060), (34653, 606160), (37885, 554448), (45462, 462040), (46204, 454620), (57755, 363696), (60616, 346530), (69306, 303080), (75770, 277224), (90924, 231020), (92408, 227310), (113655, 184816), (115510, 181848), (121232, 173265), (138612, 151540)]