21470768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121993}}^1$

素因数の和:122012

約数の個数: 20

約数和(自身を含む): 45381768

約数和(自身を除く): 23911000

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121993, 243986, 487972, 975944, 1341923, 1951888, 2683846, 5367692, 10735384, 21470768]

約数ペア:

[(1, 21470768), (2, 10735384), (4, 5367692), (8, 2683846), (11, 1951888), (16, 1341923), (22, 975944), (44, 487972), (88, 243986), (176, 121993)]