21071172

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{4423}}^1$

素因数の和:4827

約数の個数: 24

約数和(自身を含む): 49301056

約数和(自身を除く): 28229884

約数列:

[1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4423, 4764, 8846, 13269, 17692, 26538, 53076, 1755931, 3511862, 5267793, 7023724, 10535586, 21071172]

約数ペア:

[(1, 21071172), (2, 10535586), (3, 7023724), (4, 5267793), (6, 3511862), (12, 1755931), (397, 53076), (794, 26538), (1191, 17692), (1588, 13269), (2382, 8846), (4423, 4764)]