21000201638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{7883}}^1\times {\mathrm{102461}}^1$

素因数の和:110359

約数の個数: 16

約数和(自身を含む): 33928037136

約数和(自身を除く): 12927835498

約数列:

[1, 2, 13, 26, 7883, 15766, 102461, 102479, 204922, 204958, 1331993, 2663986, 807700063, 1615400126, 10500100819, 21000201638]

約数ペア:

[(1, 21000201638), (2, 10500100819), (13, 1615400126), (26, 807700063), (7883, 2663986), (15766, 1331993), (102461, 204958), (102479, 204922)]