21354548

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 16965580

約数列:

[1, 2, 4, 53, 106, 212, 263, 383, 526, 766, 1052, 1532, 13939, 20299, 27878, 40598, 55756, 81196, 100729, 201458, 402916, 5338637, 10677274, 21354548]

約数ペア:

[(1, 21354548), (2, 10677274), (4, 5338637), (53, 402916), (106, 201458), (212, 100729), (263, 81196), (383, 55756), (526, 40598), (766, 27878), (1052, 20299), (1532, 13939)]