21308234

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{821}}^1$

素因数の和:1525

約数の個数: 16

約数和(自身を含む): 33734880

約数和(自身を除く): 12426646

約数列:

[1, 2, 19, 38, 683, 821, 1366, 1642, 12977, 15599, 25954, 31198, 560743, 1121486, 10654117, 21308234]

約数ペア:

[(1, 21308234), (2, 10654117), (19, 1121486), (38, 560743), (683, 31198), (821, 25954), (1366, 15599), (1642, 12977)]