21213358

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{653}}^1$

素因数の和:1131

約数の個数: 16

約数和(自身を含む): 32804640

約数和(自身を除く): 11591282

約数列:

[1, 2, 37, 74, 439, 653, 878, 1306, 16243, 24161, 32486, 48322, 286667, 573334, 10606679, 21213358]

約数ペア:

[(1, 21213358), (2, 10606679), (37, 573334), (74, 286667), (439, 48322), (653, 32486), (878, 24161), (1306, 16243)]