21404804516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1170173}}^1$

素因数の和:1170463

約数の個数: 24

約数和(自身を含む): 39809319480

約数和(自身を除く): 18404514964

約数列:

[1, 2, 4, 17, 34, 68, 269, 538, 1076, 4573, 9146, 18292, 1170173, 2340346, 4680692, 19892941, 39785882, 79571764, 314776537, 629553074, 1259106148, 5351201129, 10702402258, 21404804516]

約数ペア:

[(1, 21404804516), (2, 10702402258), (4, 5351201129), (17, 1259106148), (34, 629553074), (68, 314776537), (269, 79571764), (538, 39785882), (1076, 19892941), (4573, 4680692), (9146, 2340346), (18292, 1170173)]