21653733

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8011}}^1$

素因数の和:8084

約数の個数: 16

約数和(自身を含む): 31150656

約数和(自身を除く): 9496923

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 8011, 24033, 136187, 408561, 424583, 1273749, 7217911, 21653733]

約数ペア:

[(1, 21653733), (3, 7217911), (17, 1273749), (51, 424583), (53, 408561), (159, 136187), (901, 24033), (2703, 8011)]