21323939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7559}}^1$

素因数の和:7610

約数の個数: 16

約数和(自身を含む): 27095040

約数和(自身を除く): 5771101

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 7559, 52913, 98267, 234329, 687869, 1640303, 3046277, 21323939]

約数ペア:

[(1, 21323939), (7, 3046277), (13, 1640303), (31, 687869), (91, 234329), (217, 98267), (403, 52913), (2821, 7559)]