21315344

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8941}}^1$

素因数の和:9098

約数の個数: 20

約数和(自身を含む): 41580300

約数和(自身を除く): 20264956

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8941, 17882, 35764, 71528, 143056, 1332209, 2664418, 5328836, 10657672, 21315344]

約数ペア:

[(1, 21315344), (2, 10657672), (4, 5328836), (8, 2664418), (16, 1332209), (149, 143056), (298, 71528), (596, 35764), (1192, 17882), (2384, 8941)]