2021371779

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{420331}}^1$

素因数の和:420570

約数の個数: 16

約数和(自身を含む): 3093643520

約数和(自身を除く): 1072271741

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4809, 420331, 1260993, 2942317, 8826951, 96255799, 288767397, 673790593, 2021371779]

約数ペア:

[(1, 2021371779), (3, 673790593), (7, 288767397), (21, 96255799), (229, 8826951), (687, 2942317), (1603, 1260993), (4809, 420331)]