21419752

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5323}}^1$

素因数の和:5832

約数の個数: 16

約数和(自身を含む): 40249440

約数和(自身を除く): 18829688

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5323, 10646, 21292, 42584, 2677469, 5354938, 10709876, 21419752]

約数ペア:

[(1, 21419752), (2, 10709876), (4, 5354938), (8, 2677469), (503, 42584), (1006, 21292), (2012, 10646), (4024, 5323)]