2021201908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4176037}}^1$

素因数の和:4176063

約数の個数: 18

約数和(自身を含む): 3887891378

約数和(自身を除く): 1866689470

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4176037, 8352074, 16704148, 45936407, 91872814, 183745628, 505300477, 1010600954, 2021201908]

約数ペア:

[(1, 2021201908), (2, 1010600954), (4, 505300477), (11, 183745628), (22, 91872814), (44, 45936407), (121, 16704148), (242, 8352074), (484, 4176037)]