21372234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 47472096

約数和(自身を除く): 26099862

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 163, 246, 326, 489, 533, 978, 1066, 1599, 1681, 2119, 3198, 3362, 4238, 5043, 6357, 6683, 10086, 12714, 13366, 20049, 21853, 40098, 43706, 65559, 86879, 131118, 173758, 260637, 274003, 521274, 548006, 822009, 1644018, 3562039, 7124078, 10686117, 21372234]

約数ペア:

[(1, 21372234), (2, 10686117), (3, 7124078), (6, 3562039), (13, 1644018), (26, 822009), (39, 548006), (41, 521274), (78, 274003), (82, 260637), (123, 173758), (163, 131118), (246, 86879), (326, 65559), (489, 43706), (533, 40098), (978, 21853), (1066, 20049), (1599, 13366), (1681, 12714), (2119, 10086), (3198, 6683), (3362, 6357), (4238, 5043)]