21167038

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1093}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 33240096

約数和(自身を除く): 12073058

約数列:

[1, 2, 23, 46, 421, 842, 1093, 2186, 9683, 19366, 25139, 50278, 460153, 920306, 10583519, 21167038]

約数ペア:

[(1, 21167038), (2, 10583519), (23, 920306), (46, 460153), (421, 50278), (842, 25139), (1093, 19366), (2186, 9683)]