21000949006

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{23767}}^1\times {\mathrm{5323}}^1$

素因数の和:29175

約数の個数: 16

約数和(自身を含む): 31888289664

約数和(自身を除く): 10887340658

約数列:

[1, 2, 83, 166, 5323, 10646, 23767, 47534, 441809, 883618, 1972661, 3945322, 126511741, 253023482, 10500474503, 21000949006]

約数ペア:

[(1, 21000949006), (2, 10500474503), (83, 253023482), (166, 126511741), (5323, 3945322), (10646, 1972661), (23767, 883618), (47534, 441809)]