21167376515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2309}}^1\times {\mathrm{3719}}^1$

素因数の和:6079

約数の個数: 32

約数和(自身を含む): 27841968000

約数和(自身を除く): 6674591485

約数列:

[1, 5, 17, 29, 85, 145, 493, 2309, 2465, 3719, 11545, 18595, 39253, 63223, 66961, 107851, 196265, 316115, 334805, 539255, 1138337, 1833467, 5691685, 8587171, 9167335, 42935855, 145981907, 249027959, 729909535, 1245139795, 4233475303, 21167376515]

約数ペア:

[(1, 21167376515), (5, 4233475303), (17, 1245139795), (29, 729909535), (85, 249027959), (145, 145981907), (493, 42935855), (2309, 9167335), (2465, 8587171), (3719, 5691685), (11545, 1833467), (18595, 1138337), (39253, 539255), (63223, 334805), (66961, 316115), (107851, 196265)]