21937474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{2203}}^1$

素因数の和:2601

約数の個数: 16

約数和(自身を含む): 35546112

約数和(自身を除く): 13608638

約数列:

[1, 2, 13, 26, 383, 766, 2203, 4406, 4979, 9958, 28639, 57278, 843749, 1687498, 10968737, 21937474]

約数ペア:

[(1, 21937474), (2, 10968737), (13, 1687498), (26, 843749), (383, 57278), (766, 28639), (2203, 9958), (4406, 4979)]