21548163

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4643}}^1$

素因数の和:4683

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 15901053

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 4643, 13929, 32501, 60359, 78931, 97503, 181077, 236793, 422513, 552517, 1026103, 1267539, 1657551, 3078309, 7182721, 21548163]

約数ペア:

[(1, 21548163), (3, 7182721), (7, 3078309), (13, 1657551), (17, 1267539), (21, 1026103), (39, 552517), (51, 422513), (91, 236793), (119, 181077), (221, 97503), (273, 78931), (357, 60359), (663, 32501), (1547, 13929), (4641, 4643)]