21893530

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17239}}^1$

素因数の和:17373

約数の個数: 16

約数和(自身を含む): 39720960

約数和(自身を除く): 17827430

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 17239, 34478, 86195, 172390, 2189353, 4378706, 10946765, 21893530]

約数ペア:

[(1, 21893530), (2, 10946765), (5, 4378706), (10, 2189353), (127, 172390), (254, 86195), (635, 34478), (1270, 17239)]