21620610674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1\times {\mathrm{8087}}^1$

素因数の和:8271

約数の個数: 48

約数和(自身を含む): 36430357824

約数和(自身を除く): 14809747150

約数列:

[1, 2, 13, 26, 31, 62, 107, 214, 403, 806, 961, 1391, 1922, 2782, 3317, 6634, 8087, 12493, 16174, 24986, 43121, 86242, 102827, 105131, 205654, 210262, 250697, 501394, 865309, 1336751, 1730618, 2673502, 3259061, 6518122, 7771607, 11249017, 15543214, 22498034, 26824579, 53649158, 101030891, 202061782, 348719527, 697439054, 831561949, 1663123898, 10810305337, 21620610674]

約数ペア:

[(1, 21620610674), (2, 10810305337), (13, 1663123898), (26, 831561949), (31, 697439054), (62, 348719527), (107, 202061782), (214, 101030891), (403, 53649158), (806, 26824579), (961, 22498034), (1391, 15543214), (1922, 11249017), (2782, 7771607), (3317, 6518122), (6634, 3259061), (8087, 2673502), (12493, 1730618), (16174, 1336751), (24986, 865309), (43121, 501394), (86242, 250697), (102827, 210262), (105131, 205654)]