21522669

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 13037331

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 599, 609, 1239, 1711, 1797, 4193, 5133, 11977, 12579, 17371, 35341, 35931, 52113, 106023, 121597, 247387, 364791, 742161, 1024889, 3074667, 7174223, 21522669]

約数ペア:

[(1, 21522669), (3, 7174223), (7, 3074667), (21, 1024889), (29, 742161), (59, 364791), (87, 247387), (177, 121597), (203, 106023), (413, 52113), (599, 35931), (609, 35341), (1239, 17371), (1711, 12579), (1797, 11977), (4193, 5133)]