21685004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25939}}^1$

素因数の和:25973

約数の個数: 24

約数和(自身を含む): 43579200

約数和(自身を除く): 21894196

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25939, 51878, 103756, 285329, 492841, 570658, 985682, 1141316, 1971364, 5421251, 10842502, 21685004]

約数ペア:

[(1, 21685004), (2, 10842502), (4, 5421251), (11, 1971364), (19, 1141316), (22, 985682), (38, 570658), (44, 492841), (76, 285329), (209, 103756), (418, 51878), (836, 25939)]