16721432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 39137280

約数和(自身を除く): 22415848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 103, 104, 182, 206, 223, 364, 412, 446, 721, 728, 824, 892, 1339, 1442, 1561, 1784, 2678, 2884, 2899, 3122, 5356, 5768, 5798, 6244, 9373, 10712, 11596, 12488, 18746, 20293, 22969, 23192, 37492, 40586, 45938, 74984, 81172, 91876, 160783, 162344, 183752, 298597, 321566, 597194, 643132, 1194388, 1286264, 2090179, 2388776, 4180358, 8360716, 16721432]

約数ペア:

[(1, 16721432), (2, 8360716), (4, 4180358), (7, 2388776), (8, 2090179), (13, 1286264), (14, 1194388), (26, 643132), (28, 597194), (52, 321566), (56, 298597), (91, 183752), (103, 162344), (104, 160783), (182, 91876), (206, 81172), (223, 74984), (364, 45938), (412, 40586), (446, 37492), (721, 23192), (728, 22969), (824, 20293), (892, 18746), (1339, 12488), (1442, 11596), (1561, 10712), (1784, 9373), (2678, 6244), (2884, 5798), (2899, 5768), (3122, 5356)]