21373964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{601}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 39746448

約数和(自身を除く): 18372484

約数列:

[1, 2, 4, 17, 34, 68, 523, 601, 1046, 1202, 2092, 2404, 8891, 10217, 17782, 20434, 35564, 40868, 314323, 628646, 1257292, 5343491, 10686982, 21373964]

約数ペア:

[(1, 21373964), (2, 10686982), (4, 5343491), (17, 1257292), (34, 628646), (68, 314323), (523, 40868), (601, 35564), (1046, 20434), (1202, 17782), (2092, 10217), (2404, 8891)]