21343982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2251}}^1$

素因数の和:2695

約数の個数: 16

約数和(自身を含む): 35023104

約数和(自身を除く): 13679122

約数列:

[1, 2, 11, 22, 431, 862, 2251, 4502, 4741, 9482, 24761, 49522, 970181, 1940362, 10671991, 21343982]

約数ペア:

[(1, 21343982), (2, 10671991), (11, 1940362), (22, 970181), (431, 49522), (862, 24761), (2251, 9482), (4502, 4741)]