21103080056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{3373}}^1\times {\mathrm{41161}}^1$

素因数の和:44559

約数の個数: 32

約数和(自身を含む): 41664176400

約数和(自身を除く): 20561096344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 3373, 6746, 13492, 26984, 41161, 64087, 82322, 128174, 164644, 256348, 329288, 512696, 782059, 1564118, 3128236, 6256472, 138836053, 277672106, 555344212, 1110688424, 2637885007, 5275770014, 10551540028, 21103080056]

約数ペア:

[(1, 21103080056), (2, 10551540028), (4, 5275770014), (8, 2637885007), (19, 1110688424), (38, 555344212), (76, 277672106), (152, 138836053), (3373, 6256472), (6746, 3128236), (13492, 1564118), (26984, 782059), (41161, 512696), (64087, 329288), (82322, 256348), (128174, 164644)]