21424078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1877}}^1$

素因数の和:2331

約数の個数: 16

約数和(自身を含む): 34705440

約数和(自身を除く): 13281362

約数列:

[1, 2, 13, 26, 439, 878, 1877, 3754, 5707, 11414, 24401, 48802, 824003, 1648006, 10712039, 21424078]

約数ペア:

[(1, 21424078), (2, 10712039), (13, 1648006), (26, 824003), (439, 48802), (878, 24401), (1877, 11414), (3754, 5707)]