2021215497

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5065703}}^1$

素因数の和:5065732

約数の個数: 16

約数和(自身を含む): 3242050560

約数和(自身を除く): 1220835063

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5065703, 15197109, 35459921, 96248357, 106379763, 288745071, 673738499, 2021215497]

約数ペア:

[(1, 2021215497), (3, 673738499), (7, 288745071), (19, 106379763), (21, 96248357), (57, 35459921), (133, 15197109), (399, 5065703)]