21127072

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12457}}^1$

素因数の和:12520

約数の個数: 24

約数和(自身を含む): 42382116

約数和(自身を除く): 21255044

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12457, 24914, 49828, 99656, 199312, 398624, 660221, 1320442, 2640884, 5281768, 10563536, 21127072]

約数ペア:

[(1, 21127072), (2, 10563536), (4, 5281768), (8, 2640884), (16, 1320442), (32, 660221), (53, 398624), (106, 199312), (212, 99656), (424, 49828), (848, 24914), (1696, 12457)]