21105194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56431}}^1$

素因数の和:56461

約数の個数: 16

約数和(自身を含む): 36567936

約数和(自身を除く): 15462742

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56431, 112862, 620741, 959327, 1241482, 1918654, 10552597, 21105194]

約数ペア:

[(1, 21105194), (2, 10552597), (11, 1918654), (17, 1241482), (22, 959327), (34, 620741), (187, 112862), (374, 56431)]