21079407112

素因数分解:

$2^3\times {\mathrm{10141}}^1\times {\mathrm{259829}}^1$

素因数の和:269976

約数の個数: 16

約数和(自身を含む): 39527937900

約数和(自身を除く): 18448530788

約数列:

[1, 2, 4, 8, 10141, 20282, 40564, 81128, 259829, 519658, 1039316, 2078632, 2634925889, 5269851778, 10539703556, 21079407112]

約数ペア:

[(1, 21079407112), (2, 10539703556), (4, 5269851778), (8, 2634925889), (10141, 2078632), (20282, 1039316), (40564, 519658), (81128, 259829)]