21886208

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 47682432

約数和(自身を除く): 25796224

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 107, 128, 136, 188, 214, 256, 272, 376, 428, 544, 752, 799, 856, 1088, 1504, 1598, 1712, 1819, 2176, 3008, 3196, 3424, 3638, 4352, 5029, 6016, 6392, 6848, 7276, 10058, 12032, 12784, 13696, 14552, 20116, 25568, 27392, 29104, 40232, 51136, 58208, 80464, 85493, 102272, 116416, 160928, 170986, 204544, 232832, 321856, 341972, 465664, 643712, 683944, 1287424, 1367888, 2735776, 5471552, 10943104, 21886208]

約数ペア:

[(1, 21886208), (2, 10943104), (4, 5471552), (8, 2735776), (16, 1367888), (17, 1287424), (32, 683944), (34, 643712), (47, 465664), (64, 341972), (68, 321856), (94, 232832), (107, 204544), (128, 170986), (136, 160928), (188, 116416), (214, 102272), (256, 85493), (272, 80464), (376, 58208), (428, 51136), (544, 40232), (752, 29104), (799, 27392), (856, 25568), (1088, 20116), (1504, 14552), (1598, 13696), (1712, 12784), (1819, 12032), (2176, 10058), (3008, 7276), (3196, 6848), (3424, 6392), (3638, 6016), (4352, 5029)]