21103972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1201}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 38771712

約数和(自身を除く): 17667740

約数列:

[1, 2, 4, 23, 46, 92, 191, 382, 764, 1201, 2402, 4393, 4804, 8786, 17572, 27623, 55246, 110492, 229391, 458782, 917564, 5275993, 10551986, 21103972]

約数ペア:

[(1, 21103972), (2, 10551986), (4, 5275993), (23, 917564), (46, 458782), (92, 229391), (191, 110492), (382, 55246), (764, 27623), (1201, 17572), (2402, 8786), (4393, 4804)]