21167358021

素因数分解:

$3^3\times {\mathrm{797}}^1\times {\mathrm{983659}}^1$

素因数の和:984465

約数の個数: 16

約数和(自身を含む): 31398427200

約数和(自身を除く): 10231069179

約数列:

[1, 3, 9, 27, 797, 2391, 7173, 21519, 983659, 2950977, 8852931, 26558793, 783976223, 2351928669, 7055786007, 21167358021]

約数ペア:

[(1, 21167358021), (3, 7055786007), (9, 2351928669), (27, 783976223), (797, 26558793), (2391, 8852931), (7173, 2950977), (21519, 983659)]