21282303

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 33523200

約数和(自身を除く): 12240897

約数列:

[1, 3, 7, 21, 59, 89, 177, 193, 267, 413, 579, 623, 1239, 1351, 1869, 4053, 5251, 11387, 15753, 17177, 34161, 36757, 51531, 79709, 110271, 120239, 239127, 360717, 1013443, 3040329, 7094101, 21282303]

約数ペア:

[(1, 21282303), (3, 7094101), (7, 3040329), (21, 1013443), (59, 360717), (89, 239127), (177, 120239), (193, 110271), (267, 79709), (413, 51531), (579, 36757), (623, 34161), (1239, 17177), (1351, 15753), (1869, 11387), (4053, 5251)]