21898198

素因数分解:

$2^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:964

約数の個数: 24

約数和(自身を含む): 38372400

約数和(自身を除く): 16474202

約数列:

[1, 2, 7, 14, 49, 98, 439, 509, 878, 1018, 3073, 3563, 6146, 7126, 21511, 24941, 43022, 49882, 223451, 446902, 1564157, 3128314, 10949099, 21898198]

約数ペア:

[(1, 21898198), (2, 10949099), (7, 3128314), (14, 1564157), (49, 446902), (98, 223451), (439, 49882), (509, 43022), (878, 24941), (1018, 21511), (3073, 7126), (3563, 6146)]