21620608

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{3187}}^1$

素因数の和:3254

約数の個数: 32

約数和(自身を含む): 43898760

約数和(自身を除く): 22278152

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1696, 3187, 3392, 6374, 6784, 12748, 25496, 50992, 101984, 168911, 203968, 337822, 407936, 675644, 1351288, 2702576, 5405152, 10810304, 21620608]

約数ペア:

[(1, 21620608), (2, 10810304), (4, 5405152), (8, 2702576), (16, 1351288), (32, 675644), (53, 407936), (64, 337822), (106, 203968), (128, 168911), (212, 101984), (424, 50992), (848, 25496), (1696, 12748), (3187, 6784), (3392, 6374)]