21325815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22567}}^1$

素因数の和:22588

約数の個数: 32

約数和(自身を含む): 43330560

約数和(自身を除く): 22004745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22567, 67701, 112835, 157969, 203103, 338505, 473907, 609309, 789845, 1015515, 1421721, 2369535, 3046545, 4265163, 7108605, 21325815]

約数ペア:

[(1, 21325815), (3, 7108605), (5, 4265163), (7, 3046545), (9, 2369535), (15, 1421721), (21, 1015515), (27, 789845), (35, 609309), (45, 473907), (63, 338505), (105, 203103), (135, 157969), (189, 112835), (315, 67701), (945, 22567)]