21901503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13697}}^1$

素因数の和:13754

約数の個数: 16

約数和(自身を含む): 32217696

約数和(自身を除く): 10316193

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13697, 41091, 178061, 534183, 561577, 1684731, 7300501, 21901503]

約数ペア:

[(1, 21901503), (3, 7300501), (13, 1684731), (39, 561577), (41, 534183), (123, 178061), (533, 41091), (1599, 13697)]