16123821

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9719}}^1$

素因数の和:9808

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 8759379

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 9719, 29157, 68033, 204099, 767801, 2303403, 5374607, 16123821]

約数ペア:

[(1, 16123821), (3, 5374607), (7, 2303403), (21, 767801), (79, 204099), (237, 68033), (553, 29157), (1659, 9719)]