21284354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 39795840

約数和(自身を除く): 18511486

約数列:

[1, 2, 7, 13, 14, 26, 83, 91, 166, 182, 581, 1079, 1162, 1409, 2158, 2818, 7553, 9863, 15106, 18317, 19726, 36634, 116947, 128219, 233894, 256438, 818629, 1520311, 1637258, 3040622, 10642177, 21284354]

約数ペア:

[(1, 21284354), (2, 10642177), (7, 3040622), (13, 1637258), (14, 1520311), (26, 818629), (83, 256438), (91, 233894), (166, 128219), (182, 116947), (581, 36634), (1079, 19726), (1162, 18317), (1409, 15106), (2158, 9863), (2818, 7553)]