21650272

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5087}}^1$

素因数の和:5123

約数の個数: 48

約数和(自身を含む): 51287040

約数和(自身を除く): 29636768

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, 5087, 10174, 20348, 35609, 40696, 71218, 81392, 96653, 142436, 162784, 193306, 284872, 386612, 569744, 676571, 773224, 1139488, 1353142, 1546448, 2706284, 3092896, 5412568, 10825136, 21650272]

約数ペア:

[(1, 21650272), (2, 10825136), (4, 5412568), (7, 3092896), (8, 2706284), (14, 1546448), (16, 1353142), (19, 1139488), (28, 773224), (32, 676571), (38, 569744), (56, 386612), (76, 284872), (112, 193306), (133, 162784), (152, 142436), (224, 96653), (266, 81392), (304, 71218), (532, 40696), (608, 35609), (1064, 20348), (2128, 10174), (4256, 5087)]