21103728

素因数分解:

$2^4\times 3^1\times {\mathrm{439661}}^1$

素因数の和:439672

約数の個数: 20

約数和(自身を含む): 54518088

約数和(自身を除く): 33414360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439661, 879322, 1318983, 1758644, 2637966, 3517288, 5275932, 7034576, 10551864, 21103728]

約数ペア:

[(1, 21103728), (2, 10551864), (3, 7034576), (4, 5275932), (6, 3517288), (8, 2637966), (12, 1758644), (16, 1318983), (24, 879322), (48, 439661)]