21847070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{312101}}^1$

素因数の和:312115

約数の個数: 16

約数和(自身を含む): 44942688

約数和(自身を除く): 23095618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 312101, 624202, 1560505, 2184707, 3121010, 4369414, 10923535, 21847070]

約数ペア:

[(1, 21847070), (2, 10923535), (5, 4369414), (7, 3121010), (10, 2184707), (14, 1560505), (35, 624202), (70, 312101)]