21033488

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11047}}^1$

素因数の和:11079

約数の個数: 40

約数和(自身を含む): 49318272

約数和(自身を除く): 28284784

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11047, 22094, 44188, 77329, 88376, 154658, 176752, 187799, 309316, 375598, 618632, 751196, 1237264, 1314593, 1502392, 2629186, 3004784, 5258372, 10516744, 21033488]

約数ペア:

[(1, 21033488), (2, 10516744), (4, 5258372), (7, 3004784), (8, 2629186), (14, 1502392), (16, 1314593), (17, 1237264), (28, 751196), (34, 618632), (56, 375598), (68, 309316), (112, 187799), (119, 176752), (136, 154658), (238, 88376), (272, 77329), (476, 44188), (952, 22094), (1904, 11047)]