21954770

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19429}}^1$

素因数の和:19549

約数の個数: 16

約数和(自身を含む): 39870360

約数和(自身を除く): 17915590

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 19429, 38858, 97145, 194290, 2195477, 4390954, 10977385, 21954770]

約数ペア:

[(1, 21954770), (2, 10977385), (5, 4390954), (10, 2195477), (113, 194290), (226, 97145), (565, 38858), (1130, 19429)]