21515677768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^4\times {\mathrm{2477}}^1$

素因数の和:2564

約数の個数: 80

約数和(自身を含む): 46179041580

約数和(自身を除く): 24663363812

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 884, 1156, 1768, 2312, 2477, 3757, 4913, 4954, 7514, 9826, 9908, 15028, 19652, 19816, 30056, 32201, 39304, 42109, 63869, 64402, 83521, 84218, 127738, 128804, 167042, 168436, 255476, 257608, 334084, 336872, 510952, 547417, 668168, 715853, 1085773, 1094834, 1431706, 2171546, 2189668, 2863412, 4343092, 4379336, 5726824, 8686184, 9306089, 12169501, 18612178, 24339002, 37224356, 48678004, 74448712, 97356008, 158203513, 206881517, 316407026, 413763034, 632814052, 827526068, 1265628104, 1655052136, 2689459721, 5378919442, 10757838884, 21515677768]

約数ペア:

[(1, 21515677768), (2, 10757838884), (4, 5378919442), (8, 2689459721), (13, 1655052136), (17, 1265628104), (26, 827526068), (34, 632814052), (52, 413763034), (68, 316407026), (104, 206881517), (136, 158203513), (221, 97356008), (289, 74448712), (442, 48678004), (578, 37224356), (884, 24339002), (1156, 18612178), (1768, 12169501), (2312, 9306089), (2477, 8686184), (3757, 5726824), (4913, 4379336), (4954, 4343092), (7514, 2863412), (9826, 2189668), (9908, 2171546), (15028, 1431706), (19652, 1094834), (19816, 1085773), (30056, 715853), (32201, 668168), (39304, 547417), (42109, 510952), (63869, 336872), (64402, 334084), (83521, 257608), (84218, 255476), (127738, 168436), (128804, 167042)]