21219456

素因数分解:

$2^7\times 3^1\times {\mathrm{55259}}^1$

素因数の和:55276

約数の個数: 32

約数和(自身を含む): 56365200

約数和(自身を除く): 35145744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55259, 110518, 165777, 221036, 331554, 442072, 663108, 884144, 1326216, 1768288, 2652432, 3536576, 5304864, 7073152, 10609728, 21219456]

約数ペア:

[(1, 21219456), (2, 10609728), (3, 7073152), (4, 5304864), (6, 3536576), (8, 2652432), (12, 1768288), (16, 1326216), (24, 884144), (32, 663108), (48, 442072), (64, 331554), (96, 221036), (128, 165777), (192, 110518), (384, 55259)]