21994119

素因数分解:

$3^3\times 7^1\times {\mathrm{116371}}^1$

素因数の和:116387

約数の個数: 16

約数和(自身を含む): 37239040

約数和(自身を除く): 15244921

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 116371, 349113, 814597, 1047339, 2443791, 3142017, 7331373, 21994119]

約数ペア:

[(1, 21994119), (3, 7331373), (7, 3142017), (9, 2443791), (21, 1047339), (27, 814597), (63, 349113), (189, 116371)]