25439421

素因数分解:

$3^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2129}}^1$

素因数の和:2708

約数の個数: 16

約数和(自身を含む): 38851200

約数和(自身を除く): 13411779

約数列:

[1, 3, 7, 21, 569, 1707, 2129, 3983, 6387, 11949, 14903, 44709, 1211401, 3634203, 8479807, 25439421]

約数ペア:

[(1, 25439421), (3, 8479807), (7, 3634203), (21, 1211401), (569, 44709), (1707, 14903), (2129, 11949), (3983, 6387)]