21000455318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10427237}}^1$

素因数の和:10427311

約数の個数: 16

約数和(自身を含む): 33784251120

約数和(自身を除く): 12783795802

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10427237, 20854474, 198117503, 396235006, 552643561, 1105287122, 10500227659, 21000455318]

約数ペア:

[(1, 21000455318), (2, 10500227659), (19, 1105287122), (38, 552643561), (53, 396235006), (106, 198117503), (1007, 20854474), (2014, 10427237)]