21053277

素因数分解:

$3^5\times 7^1\times {\mathrm{12377}}^1$

素因数の和:12399

約数の個数: 24

約数和(自身を含む): 36044736

約数和(自身を除く): 14991459

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12377, 37131, 86639, 111393, 259917, 334179, 779751, 1002537, 2339253, 3007611, 7017759, 21053277]

約数ペア:

[(1, 21053277), (3, 7017759), (7, 3007611), (9, 2339253), (21, 1002537), (27, 779751), (63, 334179), (81, 259917), (189, 111393), (243, 86639), (567, 37131), (1701, 12377)]