21408194

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{463}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 32795520

約数和(自身を除く): 11387326

約数列:

[1, 2, 61, 122, 379, 463, 758, 926, 23119, 28243, 46238, 56486, 175477, 350954, 10704097, 21408194]

約数ペア:

[(1, 21408194), (2, 10704097), (61, 350954), (122, 175477), (379, 56486), (463, 46238), (758, 28243), (926, 23119)]