21591516

素因数分解:

$2^2\times 3^1\times {\mathrm{1277}}^1\times {\mathrm{1409}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 50455440

約数和(自身を除く): 28863924

約数列:

[1, 2, 3, 4, 6, 12, 1277, 1409, 2554, 2818, 3831, 4227, 5108, 5636, 7662, 8454, 15324, 16908, 1799293, 3598586, 5397879, 7197172, 10795758, 21591516]

約数ペア:

[(1, 21591516), (2, 10795758), (3, 7197172), (4, 5397879), (6, 3598586), (12, 1799293), (1277, 16908), (1409, 15324), (2554, 8454), (2818, 7662), (3831, 5636), (4227, 5108)]