21376088

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65171}}^1$

素因数の和:65218

約数の個数: 16

約数和(自身を含む): 41058360

約数和(自身を除く): 19682272

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65171, 130342, 260684, 521368, 2672011, 5344022, 10688044, 21376088]

約数ペア:

[(1, 21376088), (2, 10688044), (4, 5344022), (8, 2672011), (41, 521368), (82, 260684), (164, 130342), (328, 65171)]