21252483

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4889}}^1$

素因数の和:4928

約数の個数: 32

約数和(自身を含む): 37555200

約数和(自身を除く): 16302717

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4889, 14667, 34223, 44001, 102669, 112447, 132003, 308007, 337341, 787129, 924021, 1012023, 2361387, 3036069, 7084161, 21252483]

約数ペア:

[(1, 21252483), (3, 7084161), (7, 3036069), (9, 2361387), (21, 1012023), (23, 924021), (27, 787129), (63, 337341), (69, 308007), (161, 132003), (189, 112447), (207, 102669), (483, 44001), (621, 34223), (1449, 14667), (4347, 4889)]