21239256

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{52057}}^1$

素因数の和:52083

約数の個数: 32

約数和(自身を含む): 56222640

約数和(自身を除く): 34983384

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 52057, 104114, 156171, 208228, 312342, 416456, 624684, 884969, 1249368, 1769938, 2654907, 3539876, 5309814, 7079752, 10619628, 21239256]

約数ペア:

[(1, 21239256), (2, 10619628), (3, 7079752), (4, 5309814), (6, 3539876), (8, 2654907), (12, 1769938), (17, 1249368), (24, 884969), (34, 624684), (51, 416456), (68, 312342), (102, 208228), (136, 156171), (204, 104114), (408, 52057)]