21060546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1399}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 45628800

約数和(自身を除く): 24568254

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 1399, 2509, 2798, 4197, 5018, 7527, 8394, 15054, 18187, 36374, 54561, 109122, 270007, 540014, 810021, 1620042, 3510091, 7020182, 10530273, 21060546]

約数ペア:

[(1, 21060546), (2, 10530273), (3, 7020182), (6, 3510091), (13, 1620042), (26, 810021), (39, 540014), (78, 270007), (193, 109122), (386, 54561), (579, 36374), (1158, 18187), (1399, 15054), (2509, 8394), (2798, 7527), (4197, 5018)]