21787444839

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1\times {\mathrm{1249}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 29808000000

約数和(自身を除く): 8020555161

約数列:

[1, 3, 79, 89, 237, 267, 827, 1249, 2481, 3747, 7031, 21093, 65333, 73603, 98671, 111161, 195999, 220809, 296013, 333483, 1032923, 3098769, 5814637, 8781719, 17443911, 26345157, 81600917, 91930147, 244802751, 275790441, 7262481613, 21787444839]

約数ペア:

[(1, 21787444839), (3, 7262481613), (79, 275790441), (89, 244802751), (237, 91930147), (267, 81600917), (827, 26345157), (1249, 17443911), (2481, 8781719), (3747, 5814637), (7031, 3098769), (21093, 1032923), (65333, 333483), (73603, 296013), (98671, 220809), (111161, 195999)]