21306071814

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{2663}}^1\times {\mathrm{78439}}^1$

素因数の和:81124

約数の個数: 32

約数和(自身を含む): 45136258560

約数和(自身を除く): 23830186746

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 2663, 5326, 7989, 15978, 45271, 78439, 90542, 135813, 156878, 235317, 271626, 470634, 1333463, 2666926, 4000389, 8000778, 208883057, 417766114, 626649171, 1253298342, 3551011969, 7102023938, 10653035907, 21306071814]

約数ペア:

[(1, 21306071814), (2, 10653035907), (3, 7102023938), (6, 3551011969), (17, 1253298342), (34, 626649171), (51, 417766114), (102, 208883057), (2663, 8000778), (5326, 4000389), (7989, 2666926), (15978, 1333463), (45271, 470634), (78439, 271626), (90542, 235317), (135813, 156878)]