21659752

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1049}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 42525000

約数和(自身を除く): 20865248

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 1049, 2098, 2581, 4196, 5162, 8392, 10324, 20648, 30421, 60842, 93361, 121684, 186722, 243368, 373444, 746888, 2707469, 5414938, 10829876, 21659752]

約数ペア:

[(1, 21659752), (2, 10829876), (4, 5414938), (8, 2707469), (29, 746888), (58, 373444), (89, 243368), (116, 186722), (178, 121684), (232, 93361), (356, 60842), (712, 30421), (1049, 20648), (2098, 10324), (2581, 8392), (4196, 5162)]