21016802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9721}}^1$

素因数の和:9793

約数の個数: 16

約数和(自身を含む): 33599232

約数和(自身を除く): 12582430

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9721, 19442, 223583, 447166, 456887, 913774, 10508401, 21016802]

約数ペア:

[(1, 21016802), (2, 10508401), (23, 913774), (46, 456887), (47, 447166), (94, 223583), (1081, 19442), (2162, 9721)]