21797104

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10243}}^1$

素因数の和:10277

約数の個数: 40

約数和(自身を含む): 50810240

約数和(自身を除く): 29013136

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10243, 20486, 40972, 71701, 81944, 143402, 163888, 194617, 286804, 389234, 573608, 778468, 1147216, 1362319, 1556936, 2724638, 3113872, 5449276, 10898552, 21797104]

約数ペア:

[(1, 21797104), (2, 10898552), (4, 5449276), (7, 3113872), (8, 2724638), (14, 1556936), (16, 1362319), (19, 1147216), (28, 778468), (38, 573608), (56, 389234), (76, 286804), (112, 194617), (133, 163888), (152, 143402), (266, 81944), (304, 71701), (532, 40972), (1064, 20486), (2128, 10243)]