21834406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43151}}^1$

素因数の和:43187

約数の個数: 16

約数和(自身を含む): 37283328

約数和(自身を除く): 15448922

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43151, 86302, 474661, 949322, 992473, 1984946, 10917203, 21834406]

約数ペア:

[(1, 21834406), (2, 10917203), (11, 1984946), (22, 992473), (23, 949322), (46, 474661), (253, 86302), (506, 43151)]