2021180763

素因数分解:

$3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{54779}}^1$

素因数の和:55047

約数の個数: 24

約数和(自身を含む): 3147439680

約数和(自身を除く): 1126258917

約数列:

[1, 3, 7, 21, 49, 147, 251, 753, 1757, 5271, 12299, 36897, 54779, 164337, 383453, 1150359, 2684171, 8052513, 13749529, 41248587, 96246703, 288740109, 673726921, 2021180763]

約数ペア:

[(1, 2021180763), (3, 673726921), (7, 288740109), (21, 96246703), (49, 41248587), (147, 13749529), (251, 8052513), (753, 2684171), (1757, 1150359), (5271, 383453), (12299, 164337), (36897, 54779)]