21357204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1181}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 54806976

約数和(自身を除く): 33449772

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 137, 274, 411, 548, 822, 1181, 1507, 1644, 2362, 3014, 3543, 4521, 4724, 6028, 7086, 9042, 12991, 14172, 18084, 25982, 38973, 51964, 77946, 155892, 161797, 323594, 485391, 647188, 970782, 1779767, 1941564, 3559534, 5339301, 7119068, 10678602, 21357204]

約数ペア:

[(1, 21357204), (2, 10678602), (3, 7119068), (4, 5339301), (6, 3559534), (11, 1941564), (12, 1779767), (22, 970782), (33, 647188), (44, 485391), (66, 323594), (132, 161797), (137, 155892), (274, 77946), (411, 51964), (548, 38973), (822, 25982), (1181, 18084), (1507, 14172), (1644, 12991), (2362, 9042), (3014, 7086), (3543, 6028), (4521, 4724)]