21340654

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{811}}^1$

素因数の和:1095

約数の個数: 16

約数和(自身を含む): 32739840

約数和(自身を除く): 11399186

約数列:

[1, 2, 59, 118, 223, 446, 811, 1622, 13157, 26314, 47849, 95698, 180853, 361706, 10670327, 21340654]

約数ペア:

[(1, 21340654), (2, 10670327), (59, 361706), (118, 180853), (223, 95698), (446, 47849), (811, 26314), (1622, 13157)]