21379152

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{1423}}^1$

素因数の和:1747

約数の個数: 40

約数和(自身を含む): 55444864

約数和(自身を除く): 34065712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1252, 1423, 1878, 2504, 2846, 3756, 4269, 5008, 5692, 7512, 8538, 11384, 15024, 17076, 22768, 34152, 68304, 445399, 890798, 1336197, 1781596, 2672394, 3563192, 5344788, 7126384, 10689576, 21379152]

約数ペア:

[(1, 21379152), (2, 10689576), (3, 7126384), (4, 5344788), (6, 3563192), (8, 2672394), (12, 1781596), (16, 1336197), (24, 890798), (48, 445399), (313, 68304), (626, 34152), (939, 22768), (1252, 17076), (1423, 15024), (1878, 11384), (2504, 8538), (2846, 7512), (3756, 5692), (4269, 5008)]