21103186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42719}}^1$

素因数の和:42753

約数の個数: 16

約数和(自身を含む): 35884800

約数和(自身を除く): 14781614

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42719, 85438, 555347, 811661, 1110694, 1623322, 10551593, 21103186]

約数ペア:

[(1, 21103186), (2, 10551593), (13, 1623322), (19, 1110694), (26, 811661), (38, 555347), (247, 85438), (494, 42719)]