21463571255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1898591}}^1$

素因数の和:1898639

約数の個数: 32

約数和(自身を含む): 32807669760

約数和(自身を除く): 11344098505

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305, 1898591, 9492955, 13290137, 32276047, 36073229, 66450685, 161380235, 180366145, 225932329, 252512603, 613244893, 1129661645, 1262563015, 3066224465, 4292714251, 21463571255]

約数ペア:

[(1, 21463571255), (5, 4292714251), (7, 3066224465), (17, 1262563015), (19, 1129661645), (35, 613244893), (85, 252512603), (95, 225932329), (119, 180366145), (133, 161380235), (323, 66450685), (595, 36073229), (665, 32276047), (1615, 13290137), (2261, 9492955), (11305, 1898591)]