21394392

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20731}}^1$

素因数の和:20783

約数の個数: 32

約数和(自身を含む): 54732480

約数和(自身を除く): 33338088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20731, 41462, 62193, 82924, 124386, 165848, 248772, 497544, 891433, 1782866, 2674299, 3565732, 5348598, 7131464, 10697196, 21394392]

約数ペア:

[(1, 21394392), (2, 10697196), (3, 7131464), (4, 5348598), (6, 3565732), (8, 2674299), (12, 1782866), (24, 891433), (43, 497544), (86, 248772), (129, 165848), (172, 124386), (258, 82924), (344, 62193), (516, 41462), (1032, 20731)]