21864752

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15017}}^1$

素因数の和:15045

約数の個数: 40

約数和(自身を含む): 52142496

約数和(自身を除く): 30277744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 15017, 30034, 60068, 105119, 120136, 195221, 210238, 240272, 390442, 420476, 780884, 840952, 1366547, 1561768, 1681904, 2733094, 3123536, 5466188, 10932376, 21864752]

約数ペア:

[(1, 21864752), (2, 10932376), (4, 5466188), (7, 3123536), (8, 2733094), (13, 1681904), (14, 1561768), (16, 1366547), (26, 840952), (28, 780884), (52, 420476), (56, 390442), (91, 240272), (104, 210238), (112, 195221), (182, 120136), (208, 105119), (364, 60068), (728, 30034), (1456, 15017)]