21885801

素因数分解:

$3^1\times 7^3\times {\mathrm{21269}}^1$

素因数の和:21293

約数の個数: 16

約数和(自身を含む): 34032000

約数和(自身を除く): 12146199

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 21269, 63807, 148883, 446649, 1042181, 3126543, 7295267, 21885801]

約数ペア:

[(1, 21885801), (3, 7295267), (7, 3126543), (21, 1042181), (49, 446649), (147, 148883), (343, 63807), (1029, 21269)]