21386497

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1063}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 3128063

約数列:

[1, 11, 31, 59, 341, 649, 1063, 1829, 11693, 20119, 32953, 62717, 362483, 689887, 1944227, 21386497]

約数ペア:

[(1, 21386497), (11, 1944227), (31, 689887), (59, 362483), (341, 62717), (649, 32953), (1063, 20119), (1829, 11693)]