21718888

素因数分解:

$2^3\times {\mathrm{47}}^2\times {\mathrm{1229}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 41641650

約数和(自身を除く): 19922762

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 1229, 2209, 2458, 4418, 4916, 8836, 9832, 17672, 57763, 115526, 231052, 462104, 2714861, 5429722, 10859444, 21718888]

約数ペア:

[(1, 21718888), (2, 10859444), (4, 5429722), (8, 2714861), (47, 462104), (94, 231052), (188, 115526), (376, 57763), (1229, 17672), (2209, 9832), (2458, 8836), (4418, 4916)]