21314656

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3227

約数の個数: 48

約数和(自身を含む): 48202560

約数和(自身を除く): 26887904

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3187, 3344, 6374, 6688, 12748, 25496, 35057, 50992, 60553, 70114, 101984, 121106, 140228, 242212, 280456, 484424, 560912, 666083, 968848, 1121824, 1332166, 1937696, 2664332, 5328664, 10657328, 21314656]

約数ペア:

[(1, 21314656), (2, 10657328), (4, 5328664), (8, 2664332), (11, 1937696), (16, 1332166), (19, 1121824), (22, 968848), (32, 666083), (38, 560912), (44, 484424), (76, 280456), (88, 242212), (152, 140228), (176, 121106), (209, 101984), (304, 70114), (352, 60553), (418, 50992), (608, 35057), (836, 25496), (1672, 12748), (3187, 6688), (3344, 6374)]