21236406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153887}}^1$

素因数の和:153915

約数の個数: 16

約数和(自身を含む): 44319744

約数和(自身を除く): 23083338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153887, 307774, 461661, 923322, 3539401, 7078802, 10618203, 21236406]

約数ペア:

[(1, 21236406), (2, 10618203), (3, 7078802), (6, 3539401), (23, 923322), (46, 461661), (69, 307774), (138, 153887)]