21785278

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 24

約数和(自身を含む): 34839000

約数和(自身を除く): 13053722

約数列:

[1, 2, 23, 46, 59, 118, 349, 529, 698, 1058, 1357, 2714, 8027, 16054, 20591, 31211, 41182, 62422, 184621, 369242, 473593, 947186, 10892639, 21785278]

約数ペア:

[(1, 21785278), (2, 10892639), (23, 947186), (46, 473593), (59, 369242), (118, 184621), (349, 62422), (529, 41182), (698, 31211), (1058, 20591), (1357, 16054), (2714, 8027)]