21970070

素因数分解:

$2^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{2887}}^1$

素因数の和:3655

約数の個数: 16

約数和(自身を含む): 39611808

約数和(自身を除く): 17641738

約数列:

[1, 2, 5, 10, 761, 1522, 2887, 3805, 5774, 7610, 14435, 28870, 2197007, 4394014, 10985035, 21970070]

約数ペア:

[(1, 21970070), (2, 10985035), (5, 4394014), (10, 2197007), (761, 28870), (1522, 14435), (2887, 7610), (3805, 5774)]