21637694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43801}}^1$

素因数の和:43835

約数の個数: 16

約数和(自身を含む): 36793680

約数和(自身を除く): 15155986

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43801, 87602, 569413, 832219, 1138826, 1664438, 10818847, 21637694]

約数ペア:

[(1, 21637694), (2, 10818847), (13, 1664438), (19, 1138826), (26, 832219), (38, 569413), (247, 87602), (494, 43801)]