21667012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5477}}^1$

素因数の和:5547

約数の個数: 24

約数和(自身を含む): 40493376

約数和(自身を除く): 18826364

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5477, 10954, 21908, 125971, 235511, 251942, 471022, 503884, 942044, 5416753, 10833506, 21667012]

約数ペア:

[(1, 21667012), (2, 10833506), (4, 5416753), (23, 942044), (43, 503884), (46, 471022), (86, 251942), (92, 235511), (172, 125971), (989, 21908), (1978, 10954), (3956, 5477)]