21212208

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7753}}^1$

素因数の和:7786

約数の個数: 60

約数和(自身を含む): 62497240

約数和(自身を除く): 41285032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7753, 15506, 23259, 31012, 46518, 62024, 69777, 93036, 124048, 139554, 147307, 186072, 279108, 294614, 372144, 441921, 558216, 589228, 883842, 1116432, 1178456, 1325763, 1767684, 2356912, 2651526, 3535368, 5303052, 7070736, 10606104, 21212208]

約数ペア:

[(1, 21212208), (2, 10606104), (3, 7070736), (4, 5303052), (6, 3535368), (8, 2651526), (9, 2356912), (12, 1767684), (16, 1325763), (18, 1178456), (19, 1116432), (24, 883842), (36, 589228), (38, 558216), (48, 441921), (57, 372144), (72, 294614), (76, 279108), (114, 186072), (144, 147307), (152, 139554), (171, 124048), (228, 93036), (304, 69777), (342, 62024), (456, 46518), (684, 31012), (912, 23259), (1368, 15506), (2736, 7753)]