21740422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13537}}^1$

素因数の和:13623

約数の個数: 16

約数和(自身を含む): 36065232

約数和(自身を除く): 14324810

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13537, 27074, 148907, 297814, 988201, 1976402, 10870211, 21740422]

約数ペア:

[(1, 21740422), (2, 10870211), (11, 1976402), (22, 988201), (73, 297814), (146, 148907), (803, 27074), (1606, 13537)]