21720006005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2375069}}^1$

素因数の和:2375164

約数の個数: 16

約数和(自身を含む): 27360806400

約数和(自身を除く): 5640800395

約数列:

[1, 5, 31, 59, 155, 295, 1829, 9145, 2375069, 11875345, 73627139, 140129071, 368135695, 700645355, 4344001201, 21720006005]

約数ペア:

[(1, 21720006005), (5, 4344001201), (31, 700645355), (59, 368135695), (155, 140129071), (295, 73627139), (1829, 11875345), (9145, 2375069)]