19672821

素因数分解:

$3^3\times 7^1\times {\mathrm{104089}}^1$

素因数の和:104105

約数の個数: 16

約数和(自身を含む): 33308800

約数和(自身を除く): 13635979

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 104089, 312267, 728623, 936801, 2185869, 2810403, 6557607, 19672821]

約数ペア:

[(1, 19672821), (3, 6557607), (7, 2810403), (9, 2185869), (21, 936801), (27, 728623), (63, 312267), (189, 104089)]