21615742

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 33587712

約数和(自身を除く): 11971970

約数列:

[1, 2, 31, 62, 443, 787, 886, 1574, 13733, 24397, 27466, 48794, 348641, 697282, 10807871, 21615742]

約数ペア:

[(1, 21615742), (2, 10807871), (31, 697282), (62, 348641), (443, 48794), (787, 27466), (886, 24397), (1574, 13733)]