21655336

素因数分解:

$2^3\times {\mathrm{1193}}^1\times {\mathrm{2269}}^1$

素因数の和:3468

約数の個数: 16

約数和(自身を含む): 40655700

約数和(自身を除く): 19000364

約数列:

[1, 2, 4, 8, 1193, 2269, 2386, 4538, 4772, 9076, 9544, 18152, 2706917, 5413834, 10827668, 21655336]

約数ペア:

[(1, 21655336), (2, 10827668), (4, 5413834), (8, 2706917), (1193, 18152), (2269, 9544), (2386, 9076), (4538, 4772)]