21000659379

素因数分解:

$3^1\times 7^1\times {\mathrm{38011}}^1\times {\mathrm{26309}}^1$

素因数の和:64330

約数の個数: 16

約数和(自身を含む): 32003063040

約数和(自身を除く): 11002403661

約数列:

[1, 3, 7, 21, 26309, 38011, 78927, 114033, 184163, 266077, 552489, 798231, 1000031399, 3000094197, 7000219793, 21000659379]

約数ペア:

[(1, 21000659379), (3, 7000219793), (7, 3000094197), (21, 1000031399), (26309, 798231), (38011, 552489), (78927, 266077), (114033, 184163)]