21682401

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 33936000

約数和(自身を除く): 12253599

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1009, 1131, 1653, 3027, 7163, 13117, 19171, 21489, 29261, 39351, 57513, 87783, 249223, 380393, 555959, 747669, 1141179, 1667877, 7227467, 21682401]

約数ペア:

[(1, 21682401), (3, 7227467), (13, 1667877), (19, 1141179), (29, 747669), (39, 555959), (57, 380393), (87, 249223), (247, 87783), (377, 57513), (551, 39351), (741, 29261), (1009, 21489), (1131, 19171), (1653, 13117), (3027, 7163)]