21384242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9437}}^1$

素因数の和:9553

約数の個数: 16

約数和(自身を含む): 35335872

約数和(自身を除く): 13951630

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9437, 18874, 103807, 207614, 972011, 1944022, 10692121, 21384242]

約数ペア:

[(1, 21384242), (2, 10692121), (11, 1944022), (22, 972011), (103, 207614), (206, 103807), (1133, 18874), (2266, 9437)]