21000772796

素因数分解:

$2^2\times {\mathrm{5413}}^1\times {\mathrm{969923}}^1$

素因数の和:975340

約数の個数: 12

約数和(自身を含む): 36758179752

約数和(自身を除く): 15757406956

約数列:

[1, 2, 4, 5413, 10826, 21652, 969923, 1939846, 3879692, 5250193199, 10500386398, 21000772796]

約数ペア:

[(1, 21000772796), (2, 10500386398), (4, 5250193199), (5413, 3879692), (10826, 1939846), (21652, 969923)]