21054327

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16993}}^1$

素因数の和:17062

約数の個数: 16

約数和(自身を含む): 32628480

約数和(自身を除く): 11574153

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16993, 50979, 118951, 356853, 1002587, 3007761, 7018109, 21054327]

約数ペア:

[(1, 21054327), (3, 7018109), (7, 3007761), (21, 1002587), (59, 356853), (177, 118951), (413, 50979), (1239, 16993)]