21695272

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4153}}^1$

素因数の和:4812

約数の個数: 16

約数和(自身を含む): 40750740

約数和(自身を除く): 19055468

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4153, 5224, 8306, 16612, 33224, 2711909, 5423818, 10847636, 21695272]

約数ペア:

[(1, 21695272), (2, 10847636), (4, 5423818), (8, 2711909), (653, 33224), (1306, 16612), (2612, 8306), (4153, 5224)]