21167276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{883}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 40023984

約数和(自身を除く): 18856708

約数列:

[1, 2, 4, 13, 26, 52, 461, 883, 922, 1766, 1844, 3532, 5993, 11479, 11986, 22958, 23972, 45916, 407063, 814126, 1628252, 5291819, 10583638, 21167276]

約数ペア:

[(1, 21167276), (2, 10583638), (4, 5291819), (13, 1628252), (26, 814126), (52, 407063), (461, 45916), (883, 23972), (922, 22958), (1766, 11986), (1844, 11479), (3532, 5993)]