21074277

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12703}}^1$

素因数の和:12792

約数の個数: 16

約数和(自身を含む): 32522240

約数和(自身を除く): 11447963

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12703, 38109, 88921, 266763, 1003537, 3010611, 7024759, 21074277]

約数ペア:

[(1, 21074277), (3, 7024759), (7, 3010611), (21, 1003537), (79, 266763), (237, 88921), (553, 38109), (1659, 12703)]