21639522

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 22873758

約数列:

[1, 2, 3, 6, 71, 79, 142, 158, 213, 237, 426, 474, 643, 1286, 1929, 3858, 5609, 11218, 16827, 33654, 45653, 50797, 91306, 101594, 136959, 152391, 273918, 304782, 3606587, 7213174, 10819761, 21639522]

約数ペア:

[(1, 21639522), (2, 10819761), (3, 7213174), (6, 3606587), (71, 304782), (79, 273918), (142, 152391), (158, 136959), (213, 101594), (237, 91306), (426, 50797), (474, 45653), (643, 33654), (1286, 16827), (1929, 11218), (3858, 5609)]