21868886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44269}}^1$

素因数の和:44303

約数の個数: 16

約数和(自身を含む): 37186800

約数和(自身を除く): 15317914

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44269, 88538, 575497, 841111, 1150994, 1682222, 10934443, 21868886]

約数ペア:

[(1, 21868886), (2, 10934443), (13, 1682222), (19, 1150994), (26, 841111), (38, 575497), (247, 88538), (494, 44269)]