21720024

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{5113}}^1$

素因数の和:5184

約数の個数: 48

約数和(自身を含む): 59833800

約数和(自身を除く): 38113776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 5113, 10226, 15339, 20452, 30678, 40904, 46017, 61356, 92034, 122712, 184068, 301667, 368136, 603334, 905001, 1206668, 1810002, 2413336, 2715003, 3620004, 5430006, 7240008, 10860012, 21720024]

約数ペア:

[(1, 21720024), (2, 10860012), (3, 7240008), (4, 5430006), (6, 3620004), (8, 2715003), (9, 2413336), (12, 1810002), (18, 1206668), (24, 905001), (36, 603334), (59, 368136), (72, 301667), (118, 184068), (177, 122712), (236, 92034), (354, 61356), (472, 46017), (531, 40904), (708, 30678), (1062, 20452), (1416, 15339), (2124, 10226), (4248, 5113)]