21409696

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8689}}^1$

素因数の和:8717

約数の個数: 48

約数和(自身を含む): 52557120

約数和(自身を除く): 31147424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8689, 17378, 34756, 60823, 69512, 95579, 121646, 139024, 191158, 243292, 278048, 382316, 486584, 669053, 764632, 973168, 1338106, 1529264, 1946336, 2676212, 3058528, 5352424, 10704848, 21409696]

約数ペア:

[(1, 21409696), (2, 10704848), (4, 5352424), (7, 3058528), (8, 2676212), (11, 1946336), (14, 1529264), (16, 1338106), (22, 973168), (28, 764632), (32, 669053), (44, 486584), (56, 382316), (77, 278048), (88, 243292), (112, 191158), (154, 139024), (176, 121646), (224, 95579), (308, 69512), (352, 60823), (616, 34756), (1232, 17378), (2464, 8689)]