21798634

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 39884040

約数和(自身を除く): 18085406

約数列:

[1, 2, 11, 13, 22, 26, 41, 82, 121, 143, 169, 242, 286, 338, 451, 533, 902, 1066, 1573, 1859, 2197, 3146, 3718, 4394, 4961, 5863, 6929, 9922, 11726, 13858, 20449, 24167, 40898, 48334, 64493, 76219, 90077, 128986, 152438, 180154, 265837, 531674, 838409, 990847, 1676818, 1981694, 10899317, 21798634]

約数ペア:

[(1, 21798634), (2, 10899317), (11, 1981694), (13, 1676818), (22, 990847), (26, 838409), (41, 531674), (82, 265837), (121, 180154), (143, 152438), (169, 128986), (242, 90077), (286, 76219), (338, 64493), (451, 48334), (533, 40898), (902, 24167), (1066, 20449), (1573, 13858), (1859, 11726), (2197, 9922), (3146, 6929), (3718, 5863), (4394, 4961)]