21624272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 44836416

約数和(自身を除く): 23212144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 743, 856, 1486, 1712, 1819, 2972, 3638, 5944, 7276, 11888, 12631, 14552, 25262, 29104, 50524, 79501, 101048, 159002, 202096, 318004, 636008, 1272016, 1351517, 2703034, 5406068, 10812136, 21624272]

約数ペア:

[(1, 21624272), (2, 10812136), (4, 5406068), (8, 2703034), (16, 1351517), (17, 1272016), (34, 636008), (68, 318004), (107, 202096), (136, 159002), (214, 101048), (272, 79501), (428, 50524), (743, 29104), (856, 25262), (1486, 14552), (1712, 12631), (1819, 11888), (2972, 7276), (3638, 5944)]