21701344

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5099}}^1$

素因数の和:5135

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 29706656

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 5099, 10198, 20396, 35693, 40792, 71386, 81584, 96881, 142772, 163168, 193762, 285544, 387524, 571088, 678167, 775048, 1142176, 1356334, 1550096, 2712668, 3100192, 5425336, 10850672, 21701344]

約数ペア:

[(1, 21701344), (2, 10850672), (4, 5425336), (7, 3100192), (8, 2712668), (14, 1550096), (16, 1356334), (19, 1142176), (28, 775048), (32, 678167), (38, 571088), (56, 387524), (76, 285544), (112, 193762), (133, 163168), (152, 142772), (224, 96881), (266, 81584), (304, 71386), (532, 40792), (608, 35693), (1064, 20396), (2128, 10198), (4256, 5099)]