21335293

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 25320960

約数和(自身を除く): 3985667

約数列:

[1, 7, 41, 79, 287, 553, 941, 3239, 6587, 22673, 38581, 74339, 270067, 520373, 3047899, 21335293]

約数ペア:

[(1, 21335293), (7, 3047899), (41, 520373), (79, 270067), (287, 74339), (553, 38581), (941, 22673), (3239, 6587)]