21800604670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{138937}}^1$

素因数の和:139045

約数の個数: 64

約数和(自身を含む): 45376039296

約数和(自身を除く): 23575434626

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 71, 85, 130, 142, 170, 221, 355, 442, 710, 923, 1105, 1207, 1846, 2210, 2414, 4615, 6035, 9230, 12070, 15691, 31382, 78455, 138937, 156910, 277874, 694685, 1389370, 1806181, 2361929, 3612362, 4723858, 9030905, 9864527, 11809645, 18061810, 19729054, 23619290, 30705077, 49322635, 61410154, 98645270, 128238851, 153525385, 167696959, 256477702, 307050770, 335393918, 641194255, 838484795, 1282388510, 1676969590, 2180060467, 4360120934, 10900302335, 21800604670]

約数ペア:

[(1, 21800604670), (2, 10900302335), (5, 4360120934), (10, 2180060467), (13, 1676969590), (17, 1282388510), (26, 838484795), (34, 641194255), (65, 335393918), (71, 307050770), (85, 256477702), (130, 167696959), (142, 153525385), (170, 128238851), (221, 98645270), (355, 61410154), (442, 49322635), (710, 30705077), (923, 23619290), (1105, 19729054), (1207, 18061810), (1846, 11809645), (2210, 9864527), (2414, 9030905), (4615, 4723858), (6035, 3612362), (9230, 2361929), (12070, 1806181), (15691, 1389370), (31382, 694685), (78455, 277874), (138937, 156910)]