21300292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21559}}^1$

素因数の和:21595

約数の個数: 24

約数和(自身を含む): 42257600

約数和(自身を除く): 20957308

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21559, 43118, 86236, 280267, 409621, 560534, 819242, 1121068, 1638484, 5325073, 10650146, 21300292]

約数ペア:

[(1, 21300292), (2, 10650146), (4, 5325073), (13, 1638484), (19, 1121068), (26, 819242), (38, 560534), (52, 409621), (76, 280267), (247, 86236), (494, 43118), (988, 21559)]