21891371038

素因数分解:

$2^1\times {\mathrm{523}}^1\times {\mathrm{1091}}^1\times {\mathrm{19183}}^1$

素因数の和:20799

約数の個数: 16

約数和(自身を含む): 32931714816

約数和(自身を除く): 11040343778

約数列:

[1, 2, 523, 1046, 1091, 2182, 19183, 38366, 570593, 1141186, 10032709, 20065418, 20928653, 41857306, 10945685519, 21891371038]

約数ペア:

[(1, 21891371038), (2, 10945685519), (523, 41857306), (1046, 20928653), (1091, 20065418), (2182, 10032709), (19183, 1141186), (38366, 570593)]