21292274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9497}}^1$

素因数の和:9577

約数の個数: 16

約数和(自身を含む): 34192800

約数和(自身を除く): 12900526

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9497, 18994, 180443, 360886, 560323, 1120646, 10646137, 21292274]

約数ペア:

[(1, 21292274), (2, 10646137), (19, 1120646), (38, 560323), (59, 360886), (118, 180443), (1121, 18994), (2242, 9497)]