21977104

素因数分解:

$2^4\times {\mathrm{1091}}^1\times {\mathrm{1259}}^1$

素因数の和:2358

約数の個数: 20

約数和(自身を含む): 42653520

約数和(自身を除く): 20676416

約数列:

[1, 2, 4, 8, 16, 1091, 1259, 2182, 2518, 4364, 5036, 8728, 10072, 17456, 20144, 1373569, 2747138, 5494276, 10988552, 21977104]

約数ペア:

[(1, 21977104), (2, 10988552), (4, 5494276), (8, 2747138), (16, 1373569), (1091, 20144), (1259, 17456), (2182, 10072), (2518, 8728), (4364, 5036)]