21103411204

素因数分解:

$2^2\times {\mathrm{43889}}^1\times {\mathrm{120209}}^1$

素因数の和:164102

約数の個数: 12

約数和(自身を含む): 36932118300

約数和(自身を除く): 15828707096

約数列:

[1, 2, 4, 43889, 87778, 120209, 175556, 240418, 480836, 5275852801, 10551705602, 21103411204]

約数ペア:

[(1, 21103411204), (2, 10551705602), (4, 5275852801), (43889, 480836), (87778, 240418), (120209, 175556)]