21520512243

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{7053593}}^1$

素因数の和:7053715

約数の個数: 16

約数和(自身を含む): 32164388640

約数和(自身を除く): 10643876397

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 7053593, 21160779, 63482337, 190447011, 797056009, 2391168027, 7173504081, 21520512243]

約数ペア:

[(1, 21520512243), (3, 7173504081), (9, 2391168027), (27, 797056009), (113, 190447011), (339, 63482337), (1017, 21160779), (3051, 7053593)]