21347986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9421}}^1$

素因数の和:9537

約数の個数: 16

約数和(自身を含む): 35275968

約数和(自身を除く): 13927982

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9421, 18842, 103631, 207262, 970363, 1940726, 10673993, 21347986]

約数ペア:

[(1, 21347986), (2, 10673993), (11, 1940726), (22, 970363), (103, 207262), (206, 103631), (1133, 18842), (2266, 9421)]