21079136

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50671}}^1$

素因数の和:50694

約数の個数: 24

約数和(自身を含む): 44692704

約数和(自身を除く): 23613568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50671, 101342, 202684, 405368, 658723, 810736, 1317446, 1621472, 2634892, 5269784, 10539568, 21079136]

約数ペア:

[(1, 21079136), (2, 10539568), (4, 5269784), (8, 2634892), (13, 1621472), (16, 1317446), (26, 810736), (32, 658723), (52, 405368), (104, 202684), (208, 101342), (416, 50671)]