21490410243

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3865877}}^1$

素因数の和:3866006

約数の個数: 16

約数和(自身を含む): 30617753760

約数和(自身を除く): 9127343517

約数列:

[1, 3, 17, 51, 109, 327, 1853, 5559, 3865877, 11597631, 65719909, 197159727, 421380593, 1264141779, 7163470081, 21490410243]

約数ペア:

[(1, 21490410243), (3, 7163470081), (17, 1264141779), (51, 421380593), (109, 197159727), (327, 65719909), (1853, 11597631), (5559, 3865877)]