21173035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5521}}^1$

素因数の和:5598

約数の個数: 16

約数和(自身を含む): 27830880

約数和(自身を除く): 6657845

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 5521, 27605, 71773, 325739, 358865, 1628695, 4234607, 21173035]

約数ペア:

[(1, 21173035), (5, 4234607), (13, 1628695), (59, 358865), (65, 325739), (295, 71773), (767, 27605), (3835, 5521)]