21774067

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 25477632

約数和(自身を除く): 3703565

約数列:

[1, 7, 71, 193, 227, 497, 1351, 1589, 13703, 16117, 43811, 95921, 112819, 306677, 3110581, 21774067]

約数ペア:

[(1, 21774067), (7, 3110581), (71, 306677), (193, 112819), (227, 95921), (497, 43811), (1351, 16117), (1589, 13703)]