21819273

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{17033}}^1$

素因数の和:17104

約数の個数: 16

約数和(自身を含む): 33795456

約数和(自身を除く): 11976183

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 17033, 51099, 119231, 357693, 1039013, 3117039, 7273091, 21819273]

約数ペア:

[(1, 21819273), (3, 7273091), (7, 3117039), (21, 1039013), (61, 357693), (183, 119231), (427, 51099), (1281, 17033)]