2021654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:715

約数の個数: 16

約数和(自身を含む): 3214080

約数和(自身を除く): 1192426

約数列:

[1, 2, 23, 46, 71, 142, 619, 1238, 1633, 3266, 14237, 28474, 43949, 87898, 1010827, 2021654]

約数ペア:

[(1, 2021654), (2, 1010827), (23, 87898), (46, 43949), (71, 28474), (142, 14237), (619, 3266), (1238, 1633)]