21595218

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 44209152

約数和(自身を除く): 22613934

約数列:

[1, 2, 3, 6, 71, 142, 163, 213, 311, 326, 426, 489, 622, 933, 978, 1866, 11573, 22081, 23146, 34719, 44162, 50693, 66243, 69438, 101386, 132486, 152079, 304158, 3599203, 7198406, 10797609, 21595218]

約数ペア:

[(1, 21595218), (2, 10797609), (3, 7198406), (6, 3599203), (71, 304158), (142, 152079), (163, 132486), (213, 101386), (311, 69438), (326, 66243), (426, 50693), (489, 44162), (622, 34719), (933, 23146), (978, 22081), (1866, 11573)]