21693704

素因数分解:

$2^3\times {\mathrm{1063}}^1\times {\mathrm{2551}}^1$

素因数の和:3620

約数の個数: 16

約数和(自身を含む): 40729920

約数和(自身を除く): 19036216

約数列:

[1, 2, 4, 8, 1063, 2126, 2551, 4252, 5102, 8504, 10204, 20408, 2711713, 5423426, 10846852, 21693704]

約数ペア:

[(1, 21693704), (2, 10846852), (4, 5423426), (8, 2711713), (1063, 20408), (2126, 10204), (2551, 8504), (4252, 5102)]