21882796

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{32371}}^1$

素因数の和:32401

約数の個数: 18

約数和(自身を含む): 41468532

約数和(自身を除く): 19585736

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 32371, 64742, 129484, 420823, 841646, 1683292, 5470699, 10941398, 21882796]

約数ペア:

[(1, 21882796), (2, 10941398), (4, 5470699), (13, 1683292), (26, 841646), (52, 420823), (169, 129484), (338, 64742), (676, 32371)]