21580611

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19081}}^1$

素因数の和:19126

約数の個数: 16

約数和(自身を含む): 32057760

約数和(自身を除く): 10477149

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 19081, 57243, 248053, 553349, 744159, 1660047, 7193537, 21580611]

約数ペア:

[(1, 21580611), (3, 7193537), (13, 1660047), (29, 744159), (39, 553349), (87, 248053), (377, 57243), (1131, 19081)]