21337156

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 17470844

約数列:

[1, 2, 4, 29, 58, 116, 419, 439, 838, 878, 1676, 1756, 12151, 12731, 24302, 25462, 48604, 50924, 183941, 367882, 735764, 5334289, 10668578, 21337156]

約数ペア:

[(1, 21337156), (2, 10668578), (4, 5334289), (29, 735764), (58, 367882), (116, 183941), (419, 50924), (439, 48604), (838, 25462), (878, 24302), (1676, 12731), (1756, 12151)]