21820038

素因数分解:

$2^1\times 3^1\times {\mathrm{1303}}^1\times {\mathrm{2791}}^1$

素因数の和:4099

約数の個数: 16

約数和(自身を含む): 43689216

約数和(自身を除く): 21869178

約数列:

[1, 2, 3, 6, 1303, 2606, 2791, 3909, 5582, 7818, 8373, 16746, 3636673, 7273346, 10910019, 21820038]

約数ペア:

[(1, 21820038), (2, 10910019), (3, 7273346), (6, 3636673), (1303, 16746), (2606, 8373), (2791, 7818), (3909, 5582)]