21362698

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15731}}^1$

素因数の和:15837

約数の個数: 16

約数和(自身を含む): 37001664

約数和(自身を除く): 15638966

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 15731, 31462, 110117, 220234, 1525907, 3051814, 10681349, 21362698]

約数ペア:

[(1, 21362698), (2, 10681349), (7, 3051814), (14, 1525907), (97, 220234), (194, 110117), (679, 31462), (1358, 15731)]