21000391611

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1\times {\mathrm{163673}}^1$

素因数の和:165946

約数の個数: 16

約数和(自身を含む): 29487507840

約数和(自身を除く): 8487116229

約数列:

[1, 3, 19, 57, 2251, 6753, 42769, 128307, 163673, 491019, 3109787, 9329361, 368427923, 1105283769, 7000130537, 21000391611]

約数ペア:

[(1, 21000391611), (3, 7000130537), (19, 1105283769), (57, 368427923), (2251, 9329361), (6753, 3109787), (42769, 491019), (128307, 163673)]