21167350405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{6073}}^1$

素因数の和:6421

約数の個数: 32

約数和(自身を含む): 26589542400

約数和(自身を除く): 5422191995

約数列:

[1, 5, 31, 113, 155, 199, 565, 995, 3503, 6073, 6169, 17515, 22487, 30365, 30845, 112435, 188263, 686249, 697097, 941315, 1208527, 3431245, 3485485, 6042635, 21273719, 37464337, 106368595, 136563551, 187321685, 682817755, 4233470081, 21167350405]

約数ペア:

[(1, 21167350405), (5, 4233470081), (31, 682817755), (113, 187321685), (155, 136563551), (199, 106368595), (565, 37464337), (995, 21273719), (3503, 6042635), (6073, 3485485), (6169, 3431245), (17515, 1208527), (22487, 941315), (30365, 697097), (30845, 686249), (112435, 188263)]