21719468

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 39803904

約数和(自身を除く): 18084436

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2467, 4402, 4934, 8804, 9868, 76477, 152954, 175157, 305908, 350314, 700628, 5429867, 10859734, 21719468]

約数ペア:

[(1, 21719468), (2, 10859734), (4, 5429867), (31, 700628), (62, 350314), (71, 305908), (124, 175157), (142, 152954), (284, 76477), (2201, 9868), (2467, 8804), (4402, 4934)]