21138962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26227}}^1$

素因数の和:26273

約数の個数: 16

約数和(自身を含む): 35250432

約数和(自身を除く): 14111470

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26227, 52454, 340951, 681902, 813037, 1626074, 10569481, 21138962]

約数ペア:

[(1, 21138962), (2, 10569481), (13, 1626074), (26, 813037), (31, 681902), (62, 340951), (403, 52454), (806, 26227)]