21048694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{811}}^1$

素因数の和:1515

約数の個数: 16

約数和(自身を含む): 33324480

約数和(自身を除く): 12275786

約数列:

[1, 2, 19, 38, 683, 811, 1366, 1622, 12977, 15409, 25954, 30818, 553913, 1107826, 10524347, 21048694]

約数ペア:

[(1, 21048694), (2, 10524347), (19, 1107826), (38, 553913), (683, 30818), (811, 25954), (1366, 15409), (1622, 12977)]