21738003

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19531}}^1$

素因数の和:19594

約数の個数: 16

約数和(自身を含む): 33751296

約数和(自身を除く): 12013293

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 19531, 58593, 136717, 410151, 1035143, 3105429, 7246001, 21738003]

約数ペア:

[(1, 21738003), (3, 7246001), (7, 3105429), (21, 1035143), (53, 410151), (159, 136717), (371, 58593), (1113, 19531)]