21535346

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 16784782

約数列:

[1, 2, 7, 14, 43, 83, 86, 166, 301, 431, 581, 602, 862, 1162, 3017, 3569, 6034, 7138, 18533, 24983, 35773, 37066, 49966, 71546, 129731, 250411, 259462, 500822, 1538239, 3076478, 10767673, 21535346]

約数ペア:

[(1, 21535346), (2, 10767673), (7, 3076478), (14, 1538239), (43, 500822), (83, 259462), (86, 250411), (166, 129731), (301, 71546), (431, 49966), (581, 37066), (602, 35773), (862, 24983), (1162, 18533), (3017, 7138), (3569, 6034)]