21874978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1549}}^1$

素因数の和:1881

約数の個数: 16

約数和(自身を含む): 34372800

約数和(自身を除く): 12497822

約数列:

[1, 2, 23, 46, 307, 614, 1549, 3098, 7061, 14122, 35627, 71254, 475543, 951086, 10937489, 21874978]

約数ペア:

[(1, 21874978), (2, 10937489), (23, 951086), (46, 475543), (307, 71254), (614, 35627), (1549, 14122), (3098, 7061)]