21399421861

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1\times {\mathrm{28571}}^1$

素因数の和:29292

約数の個数: 16

約数和(自身を含む): 22722283008

約数和(自身を除く): 1322861147

約数列:

[1, 31, 37, 653, 1147, 20243, 24161, 28571, 748991, 885701, 1057127, 18656863, 32770937, 578362753, 690303931, 21399421861]

約数ペア:

[(1, 21399421861), (31, 690303931), (37, 578362753), (653, 32770937), (1147, 18656863), (20243, 1057127), (24161, 885701), (28571, 748991)]