42851921

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 53187840

約数和(自身を除く): 10335919

約数列:

[1, 7, 23, 47, 49, 161, 329, 809, 1081, 1127, 2303, 5663, 7567, 18607, 38023, 39641, 52969, 130249, 266161, 874529, 911743, 1863127, 6121703, 42851921]

約数ペア:

[(1, 42851921), (7, 6121703), (23, 1863127), (47, 911743), (49, 874529), (161, 266161), (329, 130249), (809, 52969), (1081, 39641), (1127, 38023), (2303, 18607), (5663, 7567)]