21211508727

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{5197}}^1\times {\mathrm{14629}}^1$

素因数の和:19863

約数の個数: 24

約数和(自身を含む): 31635443840

約数和(自身を除く): 10423935113

約数列:

[1, 3, 9, 31, 93, 279, 5197, 14629, 15591, 43887, 46773, 131661, 161107, 453499, 483321, 1360497, 1449963, 4081491, 76026913, 228080739, 684242217, 2356834303, 7070502909, 21211508727]

約数ペア:

[(1, 21211508727), (3, 7070502909), (9, 2356834303), (31, 684242217), (93, 228080739), (279, 76026913), (5197, 4081491), (14629, 1449963), (15591, 1360497), (43887, 483321), (46773, 453499), (131661, 161107)]