21072206

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 32529168

約数和(自身を除く): 11456962

約数列:

[1, 2, 61, 83, 122, 166, 2081, 4162, 5063, 10126, 126941, 172723, 253882, 345446, 10536103, 21072206]

約数ペア:

[(1, 21072206), (2, 10536103), (61, 345446), (83, 253882), (122, 172723), (166, 126941), (2081, 10126), (4162, 5063)]