21234428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13577}}^1$

素因数の和:13621

約数の個数: 24

約数和(自身を含む): 41059872

約数和(自身を除く): 19825444

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13577, 27154, 54308, 230809, 312271, 461618, 624542, 923236, 1249084, 5308607, 10617214, 21234428]

約数ペア:

[(1, 21234428), (2, 10617214), (4, 5308607), (17, 1249084), (23, 923236), (34, 624542), (46, 461618), (68, 312271), (92, 230809), (391, 54308), (782, 27154), (1564, 13577)]