21245478

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6719}}^1$

素因数の和:6772

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 25203162

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 93, 102, 186, 527, 1054, 1581, 3162, 6719, 13438, 20157, 40314, 114223, 208289, 228446, 342669, 416578, 624867, 685338, 1249734, 3540913, 7081826, 10622739, 21245478]

約数ペア:

[(1, 21245478), (2, 10622739), (3, 7081826), (6, 3540913), (17, 1249734), (31, 685338), (34, 624867), (51, 416578), (62, 342669), (93, 228446), (102, 208289), (186, 114223), (527, 40314), (1054, 20157), (1581, 13438), (3162, 6719)]