21396207

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{6101}}^1$

素因数の和:6278

約数の個数: 16

約数和(自身を含む): 32804352

約数和(自身を除く): 11408145

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 6101, 18303, 42707, 128121, 1018867, 3056601, 7132069, 21396207]

約数ペア:

[(1, 21396207), (3, 7132069), (7, 3056601), (21, 1018867), (167, 128121), (501, 42707), (1169, 18303), (3507, 6101)]