21893833

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 3144887

約数列:

[1, 13, 19, 137, 247, 647, 1781, 2603, 8411, 12293, 33839, 88639, 159809, 1152307, 1684141, 21893833]

約数ペア:

[(1, 21893833), (13, 1684141), (19, 1152307), (137, 159809), (247, 88639), (647, 33839), (1781, 12293), (2603, 8411)]