21367203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49807}}^1$

素因数の和:49834

約数の個数: 16

約数和(自身を含む): 33470976

約数和(自身を除く): 12103773

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49807, 149421, 547877, 647491, 1643631, 1942473, 7122401, 21367203]

約数ペア:

[(1, 21367203), (3, 7122401), (11, 1942473), (13, 1643631), (33, 647491), (39, 547877), (143, 149421), (429, 49807)]