21261056

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1636

約数の個数: 36

約数和(自身を含む): 43267392

約数和(自身を除く): 22006336

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1567, 1696, 3134, 3392, 6268, 6784, 12536, 13568, 25072, 50144, 83051, 100288, 166102, 200576, 332204, 401152, 664408, 1328816, 2657632, 5315264, 10630528, 21261056]

約数ペア:

[(1, 21261056), (2, 10630528), (4, 5315264), (8, 2657632), (16, 1328816), (32, 664408), (53, 401152), (64, 332204), (106, 200576), (128, 166102), (212, 100288), (256, 83051), (424, 50144), (848, 25072), (1567, 13568), (1696, 12536), (3134, 6784), (3392, 6268)]