21107086

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{811}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 42795648

約数和(自身を除く): 21688562

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 811, 1001, 1183, 1622, 1859, 2002, 2366, 3718, 5677, 8921, 10543, 11354, 13013, 17842, 21086, 26026, 62447, 73801, 115973, 124894, 137059, 147602, 231946, 274118, 811811, 959413, 1507649, 1623622, 1918826, 3015298, 10553543, 21107086]

約数ペア:

[(1, 21107086), (2, 10553543), (7, 3015298), (11, 1918826), (13, 1623622), (14, 1507649), (22, 959413), (26, 811811), (77, 274118), (91, 231946), (143, 147602), (154, 137059), (169, 124894), (182, 115973), (286, 73801), (338, 62447), (811, 26026), (1001, 21086), (1183, 17842), (1622, 13013), (1859, 11354), (2002, 10543), (2366, 8921), (3718, 5677)]