21987456

素因数分解:

$2^7\times 3^1\times {\mathrm{57259}}^1$

素因数の和:57276

約数の個数: 32

約数和(自身を含む): 58405200

約数和(自身を除く): 36417744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 57259, 114518, 171777, 229036, 343554, 458072, 687108, 916144, 1374216, 1832288, 2748432, 3664576, 5496864, 7329152, 10993728, 21987456]

約数ペア:

[(1, 21987456), (2, 10993728), (3, 7329152), (4, 5496864), (6, 3664576), (8, 2748432), (12, 1832288), (16, 1374216), (24, 916144), (32, 687108), (48, 458072), (64, 343554), (96, 229036), (128, 171777), (192, 114518), (384, 57259)]