2021898921

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{556537}}^1$

素因数の和:556720

約数の個数: 16

約数和(自身を含む): 3098803584

約数和(自身を除く): 1076904663

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 556537, 1669611, 3895759, 11687277, 96280901, 288842703, 673966307, 2021898921]

約数ペア:

[(1, 2021898921), (3, 673966307), (7, 288842703), (21, 96280901), (173, 11687277), (519, 3895759), (1211, 1669611), (3633, 556537)]