21814778

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{929}}^1$

素因数の和:1189

約数の個数: 16

約数和(自身を含む): 33480000

約数和(自身を除く): 11665222

約数列:

[1, 2, 59, 118, 199, 398, 929, 1858, 11741, 23482, 54811, 109622, 184871, 369742, 10907389, 21814778]

約数ペア:

[(1, 21814778), (2, 10907389), (59, 369742), (118, 184871), (199, 109622), (398, 54811), (929, 23482), (1858, 11741)]