21124363

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 23457280

約数和(自身を除く): 2332917

約数列:

[1, 13, 67, 79, 307, 871, 1027, 3991, 5293, 20569, 24253, 68809, 267397, 315289, 1624951, 21124363]

約数ペア:

[(1, 21124363), (13, 1624951), (67, 315289), (79, 267397), (307, 68809), (871, 24253), (1027, 20569), (3991, 5293)]